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单词 constant
释义
constant
(kɒnstənt )
Word forms: constants
1. adjective [usually ADJECTIVE noun] B2
You use constant to describe something that happens all the time or is always there.
Inflation is a constant threat.
He has been her constant companion for the last four months.
constantly adverb [usually ADVERB with verb] B2
The direction of the wind is constantly changing.
We are constantly being reminded to cut down our fat intake.
Synonyms: continuously, always, all the time, invariably  
2. adjective
If an amount or level is constant, it stays the same over a particular period of time.
The average speed of the winds remained constant.
3. countable noun
A constant is a thing or value that always stays the same.
In the world of fashion it sometimes seems that the only constant is ceaseless change.
Two significant constants have been found in a number of research studies.
Collocations:
constant demand
There was a constant demand for them during the first fifteen years of the present century.
William Thackeray Vanity Fair (1837)
The obligation to keep weapons systems ahead of competitors leads to a constant demand for improvement.
Yearley, Steven Science, Technology, and Social Change (1988)
She could not cope with the constant demand for repayments and attempted suicide.
The Sun (2010)
constant exposure
Not necessarily if you're a frontline health worker getting constant exposure.
Times,Sunday Times
The findings suggest that constant exposure to high levels of noise may be damaging to health.
Times, Sunday Times
Might constant exposure to a literal world mean that the brain remains infant-like?
Times, Sunday Times
Despite advances in modern medicine, and the constant exposure to 'healthy living' tips, chronic illness thrives.
Times, Sunday Times
Constant exposure to foreign words will make them stick.
Times, Sunday Times
constant fear
She's had a lot of issues with confidence, self-esteem and a constant fear of being judged.
The Sun
But he later left the police partly because of the constant fear of bumping into people from his previous life.
Times, Sunday Times
I live in constant fear of a phone call from the school or the childminder, telling me that something awful has happened.
Times, Sunday Times
Then there's the existential threat she evokes, the constant fear of discovery, given dramatic shape by the breaking into of the warehouse below by burglars.
Times, Sunday Times
There's the constant fear that, at any moment, there will be a knock at the door and a loved one will be taken away.
Times, Sunday Times
constant feedback
Except that he also needs applause and constant feedback.
Times, Sunday Times
She says they receive constant feedback that viewers want two things: more eye contact and more talking.
The Sun
Constant feedback helps people learn and training needs are discussed at personal development reviews.
Times, Sunday Times
The teaching was excellent: thorough and rigorous, and monitored by constant feedback forms from students.
Times, Sunday Times
Such constant feedback about how staff are doing should enable managers to smooth performance, to help them and to create a harmonious workplace.
Times, Sunday Times
constant fighting
Is it doing the country any favours to have constant fighting within the alliance?
ST
It moves away from the constant fighting towards puzzle solving and the collectibles are obsessive.
The Sun
This was challenging terrain and constant fighting.
The Sun
Constant fighting between federalists and centralists gave rise to a prolonged period of instability.
Retrieved from Wikipedia CC BY-SA 3.0
Cracked ribs, melted computer disks, concussions and broken noses have come from their constant fighting.
Retrieved from Wikipedia CC BY-SA 3.0
constant flow
But then it would be great if the banks could stop the constant flow of new evidence of their past bad behaviour.
Times, Sunday Times
But questions are being raised as to how he can counter the constant flow of good economic news.
Times, Sunday Times
It’s this constant flow that makes these devices special.
Retrieved from Wikipedia CC BY-SA 3.0
At the junction of the two tunnels was a sump to collect the constant flow of water that poured through from the hillside above.
Times, Sunday Times
The invention of the escalator changed everything: suddenly, a constant flow of people could ascend into the air, or descend to the depths.
Retrieved from Wikipedia CC BY-SA 3.0
constant flux
Far from being sunk in unenquiring apathy, the suburbs are in constant flux.
The Times Literary Supplement (2010)
The warmth displayed in the opening adagio was refreshing, but the constant flux in this elusive symphony needs to sound natural, inevitable.
Times, Sunday Times (2012)
The constant flux of limited editions has made sneakers a multimillion-pound industry and the book explains why they have become a fashion staple.
Times, Sunday Times (2014)
Criminal websites were in constant flux, closing and opening.
Times, Sunday Times (2011)
Why the constant flux, constant struggle?
Aldiss, Brian Somewhere East of Life (1994)
constant headache
So if you have constant headache and constant dizziness, there may be other reasons.
The Sun
This was in addition to a pernicious bladder infection, a constant headache, double vision, and such dangerous blood levels that he required numerous transfusions.
Times, Sunday Times
The logistics were a constant headache.
Times, Sunday Times
He fought and got into trouble all the time, and was a constant headache to his neighbours.
Retrieved from Wikipedia CC BY-SA 3.0
Having to crane your neck to see things, enduring constant headaches - and then there's the logistics of going to the loo.
Times, Sunday Times
constant hum
The constant hum of white noise has been shown to regulate brain waves and mask other noises that might otherwise wake you up.
The Sun
There's a constant hum of tension in her bearing and any smiles are quickly stifled.
Times, Sunday Times
And the constant hum of activity rubbed off in the best possible way.
The Sun
His work also brings to mind the constant hum of machines and electronics in modern life.
Retrieved from Wikipedia CC BY-SA 3.0
Guitar pickups reproduce this noise, which can be quite audible, sounding like a constant hum or buzz.
Retrieved from Wikipedia CC BY-SA 3.0
constant improvement
Should we not do the same for young people, promoting constant improvement, just as we do in business?
Times, Sunday Times
No chance of their ravenous appetite for constant improvement being sated.
The Sun
Fourteen principles of quality, the kaizen 'constant improvement' credo, a stirring company song and the most meticulous manufacturing culture on the planet were all supposed to make this impossible.
Times, Sunday Times
Most importantly, he has an appetite for constant improvement.
Times, Sunday Times
They believe profoundly in constant improvement.
Times, Sunday Times
constant innovation
The market expanded and with it the competition and the need for constant innovation.
Times, Sunday Times
It keeps alive customer interest in its products through constant innovation.
Times, Sunday Times
This, he believes, means that banks must deliver constant innovation and find new ways and means to engage customers in order to survive.
Times, Sunday Times
More importantly, it has secured healthy and consistent turnover growth through constant innovation, aided and abetted by clever marketing.
Times, Sunday Times
This involves kaizen, the philosophy of continuous improvement, and constant innovation.
Times, Sunday Times
constant inspiration
Works of art and primitive carvings lurk in corners and lie on tables, the constant inspiration of the sculptor.
Times, Sunday Times
No contemporary settings of the songs from his plays have survived, but his words have been a constant inspiration to composers.
Times, Sunday Times
She was also his constant inspiration and most valued critic.
Times, Sunday Times
For him, failure — failure by ever-decreasing margins — was a constant inspiration.
Times, Sunday Times
Constant inspiration, motivation and revelation.
The Sun
constant monitoring
Despite this, drivers are reluctant to adopt telematics, with many fearing constant monitoring.
Times, Sunday Times (2013)
He recently swallowed four radio batteries to protest against his constant monitoring and prove it did not work.
The Sun (2010)
Strangely enough, this constant monitoring had the opposite effect to that intended.
Times, Sunday Times (2010)
There also had to be an effective induction process and constant monitoring.
Times, Sunday Times (2007)
If it is all verging on being a technological marvel, it is also fragile and needs constant monitoring.
Times, Sunday Times (2014)
constant movement
The basic idea seems to be constant movement, while using your arms to create a continually moving shield for your head.
Times, Sunday Times
A good standing desk will have a rail for your foot to encourage constant movement.
Times, Sunday Times
One quote neatly explains his need for constant movement, his need always to look forward.
Times, Sunday Times
Swift, unpredictable, constant movement that bamboozles defenders and really hard defensive work when the other side has the ball.
Times, Sunday Times
A friend describes their world as 'constant, constant movement'.
Times, Sunday Times
constant need
Why have we spawned a generation of people with a constant need for exposure?
Times, Sunday Times (2009)
Hunters and gatherers must be mobile because of their constant need to search for food.
Sanderson, Stephen K. Macrosociology: An Introduction to Human Societies (1995)
`Karl seems to find his Mediterranean interests in constant need of close, personal supervision.
Terman, Douglas CORMORANT
constant pain
In fact, imaging shows that when we are in constant pain, the brain atrophies.
Times, Sunday Times (2010)
But it is not easy when you are in constant pain.
Times, Sunday Times (2009)
But last week a Manchester woman received 50,000 in compensation after cosmetic dentistry involving dental veneers left her in constant pain and unable to eat.
Times, Sunday Times (2010)
He had at least nine unnecessary procedures under general anaesthetic and was in constant pain from the surgical interventions and tubes.
The Sun (2010)
The burns can cause blindness, lazy eye, longterm scarring and constant pain.
The Sun (2010)
constant presence
They were a constant presence in your life, as real as any government, any conflict.
Times, Sunday Times
You're doing a great job by being a loving and constant presence in your granddaughter's life.
The Sun
After leaving the position of music director, he was a constant presence as a guest conductor.
Times, Sunday Times
I am sure siblings can be infuriating, difficult and all the rest, but they are a constant presence in turbulent lives.
Times, Sunday Times
The fishermen and their vehicles have been a constant presence ever since.
Times, Sunday Times
constant pressure
There wasn't the constant pressure to make a joke or create farce out of a situation.
Times,Sunday Times
Diplomats are understood to be under constant pressure to find ways to reach the 12 billion-a-year target, which has now been enshrined in law.
Times, Sunday Times
Tree officers employed by local authorities are under constant pressure to remove trees to allow new housing development.
Times, Sunday Times
I don't think there should be this constant pressure of education.
Times, Sunday Times
Regulators need to keep constant pressure on them and must refuse to accept complaints that they're being unfairly untargeted.
Times, Sunday Times
constant quest
Corporate treasurers are becoming annoyed by the behaviour of banks, their inconsistent behaviour and their constant quest for ancillary fee-based business.
Times, Sunday Times
Forget the constant quest to accentuate the positive and, crucially, eliminate the negative.
Times, Sunday Times
Anyone who still thinks that a constant quest to 'feel good' will result in inner peace should start listening now.
Times, Sunday Times
She doesn't see age as a barrier to success and has hit out at society's constant quest for eternal youth.
The Sun
From there, it was a constant quest to find an edge in almost every aspect of performance.
Times, Sunday Times
constant rain
But the constant rain and chronic lack of sunlight has me feeling permanently tired, run-down and miserable.
The Sun
To score six tries in such demanding conditions, with a strong wind and constant rain, was much to the visiting team's credit.
Times, Sunday Times
Every day we trekked, contending with leeches, biting moths, stinging gnats and, at first, constant rain.
Times, Sunday Times
In the two months leading up to his visit, there had been almost constant rain in that part of the country.
Times, Sunday Times
He saw a giant grey-faced elephant-shrew for the first time after spending several days searching fruitlessly in constant rain.
Times, Sunday Times
constant references
Scenes of the police officers are peppered with baffling 'cop speak' and constant references to rules and regulations.
The Sun
There has been a swelling of the always adequate reasons for regarding constant references to the best league in the world as linguistic liberty taking.
Times, Sunday Times
Does she mind the constant references to her looks?
Times, Sunday Times
A shadow and a tension hang over his tale, especially as his constant references to 'mum' make clear how much she meant to him.
Times, Sunday Times
Received wisdom tells us that constant references to money and possessions indicates humble beginnings and deprived childhood.
Times, Sunday Times
constant refrain
This struggle to be recognized on merit is a constant refrain among this group.
Globe and Mail (2003)
This became a constant refrain on her part when she was under stress due to her husband's ill health.
John Fisher Tommy Cooper: Always Leave Them Laughing (2006)
A constant refrain of health tourists is that they have been driven to it.
Times, Sunday Times (2006)
This hunger is a constant refrain.
Times, Sunday Times (2014)
The other constant refrain is a more general sense that no one seems to care any more.
Times, Sunday Times (2007)
constant repetition
It was an ugly term when it came into use, and it has not been improved by constant repetition.
Times, Sunday Times (2016)
Learn it by heart and say it over and over again to yourself, plant it firmly into your subconscious mind by constant repetition.
Vera Peiffer POSITIVE THINKING: Everything you have always known about positive thinking but were afraid to put into practice (2001)
That is the only explanation I can think of for their constant repetition of their favourite inheritance tax statistic.
Times, Sunday Times (2007)
constant rotation
In addition to its vast collection, the museum regularly has a number of exhibitions on constant rotation to suit all interests.
Retrieved from Wikipedia CC BY-SA 3.0
The constant rotation suggests the passing of time and, practically speaking, provides decent sight lines for an audience seated on all sides of the action.
Times, Sunday Times
This has been on constant rotation since then.
Times, Sunday Times
The progression allows a musician to play three chords in constant rotation – the one, four and five chords – to create a steady harmony.
Retrieved from Wikipedia CC BY-SA 3.0
This leads to a constant rotation of the swimmer.
Retrieved from Wikipedia CC BY-SA 3.0
constant search
The budget deficit explodes, as productive activity largely ceases amid consumers' constant search for staple goods.
Times, Sunday Times
Competition drives sport's constant search for higher standards of performance.
Times, Sunday Times
Professional sport means a constant search for ways of gaining advantage.
Times, Sunday Times
In many ways he led a restless life, caused by this constant search for the best application of this inherited wealth.
Times, Sunday Times
The constant search for new sounds can throw up some unlikely artists.
The Sun
constant speculation
And despite constant speculation over his future, he insisted no decision had yet been made.
The Sun
But the players have been distracted by the constant speculation and too many are counting the days until they have a new boss.
The Sun
But she must grow tired of the constant speculation about her love life.
The Sun
The constant speculation has filtered through to the team, with their performances making a mockery of those who tipped them as title challengers.
The Sun
The constant speculation, criticism and inuendo by former players and sections of the media over the past 45 years have finally taken their toll.
Retrieved from Wikipedia CC BY-SA 3.0
constant speed
Researchers assessed the drivers' ability to stay in their lane at a constant speed.
Times, Sunday Times
If you are cycling, go for 50-60 minutes at a constant speed.
Times, Sunday Times
Going too fast and accelerating sharply will increase your fuel consumption, so stick to a constant speed to get up to 30 per cent more from your tank.
The Sun
Swiftly, however, you find an optimum balance between the power setting and traditional gears, allowing you to glide at a fairly constant speed with minimal effort.
Times, Sunday Times
Don't fly at water like a rally driver - enter steadily, keep a constant speed, ideally having waited until oncoming traffic has passed to avoid their bow waves.
Times, Sunday Times
constant stimulation
I love giddiness and chaos, noise and constant stimulation.
Times,Sunday Times
I'm very energised by constant stimulation from beautiful homes, interesting people.
Times, Sunday Times
Constant stimulation of the metabolism can increase your base metabolic rate — in theory.
Times, Sunday Times
Density adds to the three main environmental stresses - noise, lack of light and air pollution - so there may also be a price to pay for constant stimulation.
Times, Sunday Times
He writes about a barrier that must protect the individual from this constant stimulation in order to keep one sane.
Retrieved from Wikipedia CC BY-SA 3.0
constant stream
We were also subjected to a constant stream of what would today be called physical abuse.
Times, Sunday Times (2008)
Today there is a constant stream of visitors.
Times, Sunday Times (2012)
Slowly add the olive oil in a constant stream while the food processor is on.
Times, Sunday Times (2006)
And a constant stream of injured protesters were brought into makeshift clinics.
The Sun (2011)
constant stress
Constant stress will also push up levels of the action hormones adrenaline and cortisol.
The Sun
There's been constant stress, sleepless nights.
Times, Sunday Times
It was a constant stress.
The Sun
It was constant stress and hassle.
The Sun
Although oxytocin often follows high levels of stress in order to regulate our mood, those who undergo constant stress experience a diminished ability to create and release oxytocin.
Christianity Today
constant supervision
He was doubly incontinent, had no concept of danger and required constant supervision.
Times, Sunday Times
I was horrified: daily combing sessions, chemicals, constant supervision - and she still had a headful.
Times, Sunday Times
Too often they are incapable of operating in teams, unable to communicate effectively and in need of constant supervision.
The Sun
Constant supervision by teaching staff insures that the lab remains a safe environment.
Retrieved from Wikipedia CC BY-SA 3.0
In order to avoid the use of restraints some patients may require constant supervision.
Retrieved from Wikipedia CC BY-SA 3.0
constant supply
Perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles.
Times, Sunday Times
There were two 'rooms', a bracken mattress and a constant supply of water through a fissure in the ceiling.
Times, Sunday Times
They have been working seven days a week to keep the constant supply of medical equipment so the hospital can run as best they can.
The Sun
Since the pump was sealed and the contaminated water pumped out, there has been a constant supply of clean water.
Times, Sunday Times
The market for homes requires a constant supply of new buyers to keep it running smoothly.
Times, Sunday Times
constant surveillance
The report accepts the benefit of cameras, but says that 'staff should be allowed some respite from constant surveillance'.
Times, Sunday Times
The towing hawsers also had to be kept under constant surveillance.
Times, Sunday Times
Windows onto the corridor make sure you're under constant surveillance.
The Sun
The released prisoners will be under constant vigilance and constant surveillance.
Times, Sunday Times
She maintained her 'constant surveillance' for nearly eight weeks.
Times, Sunday Times
constant temptation
The internet and social media put us all under constant temptation.
The Sun
It's a constant temptation, and must be resisted.
Times, Sunday Times
Many head teachers agree and brand them a distraction that leaves pupils exposed to anonymous bullying, threats and harassment, and the constant temptation to check social media.
Times, Sunday Times
Everyone's resolve to eat well crumbles in the face of constant temptation.
Times, Sunday Times
On reflection, he mused, the thing he struggled with most about life at the top of a public company was the constant temptation to tell fibs.
Times, Sunday Times
constant tension
But it was also a relief to have my own space and not to have to deal with the constant tension between us.
Times, Sunday Times
People and study are in constant tension and competition with each other.
Christianity Today
I feel a constant tension between those who expect the pastor to be 'in charge' and those who lean toward a more democratic approach.
Christianity Today
It's a constant tension but it makes for a riveting ride.
Times, Sunday Times
The present restricted arrangements for limited access to public phones on the wings are a source of constant tension (or worse).
Times, Sunday Times
constant threat
Not at his best, but still a constant threat before suffering an injury in a clash with Luiz.
Times, Sunday Times (2014)
Industrial action is an almost constant threat.
Times, Sunday Times (2008)
Living in poverty is a constant threat for those who were victims of the antenatal drug thalidomide in Spain.
Times, Sunday Times (2009)
Under constant threat of attack and death, these road warriors transport supplies to frontline units.
The Sun (2010)
constant updates
Their goal was to create a player-focused game that would offer constant updates and features to keep people coming back.
Times, Sunday Times
Pilots need constant updates on visibility, clouds and wind.
Times, Sunday Times
Yet he seems to show little regard for the effect his constant updates could have on his privacy.
The Sun
The light monitor gives constant updates on the exposure needed to keep your circadian rhythm in sync with your waking and sleeping habits.
Times, Sunday Times
They wanted constant updates on who was confirmed.
Times, Sunday Times
constant vigilance
This takes about 15 minutes and needs constant vigilance.
Times, Sunday Times
And perhaps we preferred to enjoy the football rather than keep constant vigilance.
Times, Sunday Times
It demands constant vigilance of the 'rational faculty', the purpose for which nature fashioned the mind.
Times, Sunday Times
That's why the condition needs active treatment and constant vigilance.
Times, Sunday Times
The released prisoners will be under constant vigilance and constant surveillance.
Times, Sunday Times
constant watch
Never swim alone, and keep a constant watch on weak swimmers.
Times, Sunday Times
So keep constant watch for warning signs like slipping payments, roundnumber or unsigned cheques.
Times, Sunday Times
Only constant watch and an adversarial, not a cosy, relationship with our politicians will really push through these changes.
Times, Sunday Times
The doctors and nurses keep constant watch over them until they become strong enough to be transferred to a less intensive state of care.
Christianity Today
But whatever; on a motorway you have to keep a constant watch on the speedo.
Times, Sunday Times
constant worry
Then there's the constant worry that your expensive piece of equipment will be ruined by the cold, wet conditions.
Times, Sunday Times
And, like all companies with big overseas operations, currency fluctuations are a constant worry.
Times, Sunday Times
You cannot even save her from herself, but you can save yourself from constant worry by taking a step back.
Times, Sunday Times
Signs of anxiety include negative thinking patterns (imagining the worst and being self-critical), inflated anger, constant worry about what might have happened or has happened.
Times, Sunday Times
It was a constant worry when he was away fighting.
Times, Sunday Times
fairly constant
Instead, it has persisted at a fairly constant rate across societies.
Times, Sunday Times
Over the past two seasons their overall strength has been fairly constant, but clearly much better than in the two seasons before that.
Times, Sunday Times
It's been a fairly constant theme of automobile evolution that as cars have got better they have also become more boring.
Times, Sunday Times
The ground stays at a fairly constant temperature under the surface, so the pump can be used all year round.
Times, Sunday Times
The number of typhoons in this region has remained fairly constant over the past 50 years, but the number of the most powerful storms has risen.
Times, Sunday Times
in constant contact
The two men would be in constant contact over a communications network with a special forces command unit.
Times, Sunday Times (2017)
He is in constant contact with his family but he has been very strong over it.
Times, Sunday Times (2015)
I'm in constant contact with my team by e-mail and telephone.
Times, Sunday Times (2009)
The former fashion journalist keeps in constant contact with the factories in Italy that manufacture her footwear.
Times, Sunday Times (2016)
The club are in constant contact with the youngster's advisors to make sure he is settled at the club after his meteoric rise.
The Sun (2016)
in constant touch
She and her campaign have been in constant touch since.
Times, Sunday Times
My lovely friend was in constant touch and last night he took me out for dinner.
The Sun
We are in constant touch with them, especially the fitness coaches who are monitoring their work.
The Sun
Although we weren't in constant touch, every now and then you click back together.
Times, Sunday Times
Your visitors really do not need to stay in constant touch with home.
Times, Sunday Times
relatively constant
His reasoning comes from biology, which tells us that our brains seem 'to be programmed to keep our happiness levels relatively constant'.
Times, Sunday Times
Summer flowers have remained relatively constant but spring flowers are more susceptible to later or shorter winters.
Times, Sunday Times
Over decades the number of goals per game has been relatively constant, at 2.5.
Times, Sunday Times
Expenses have more than doubled since 2012 despite income staying relatively constant.
Times, Sunday Times
This stayed relatively constant until the turn of this century, which has seen a sharp spike to 34.1 and 8.7 respectively.
Times, Sunday Times
remarkably constant
Where people live has also remained remarkably constant - for hundreds of years.
Times, Sunday Times
The faces may change, the producers may change, but the ability to turn out superior hits remains remarkably constant.
Times, Sunday Times
This winter the temperature has remained remarkably constant, with little difference between day and night, and no significant rises.
Times, Sunday Times
In each case the rate at which new supplanted old remained remarkably constant.
Times, Sunday Times
Home ranges remain remarkably constant and stable year after year.
Retrieved from Wikipedia CC BY-SA 3.0
Translations:
Chinese: 不断的
Japanese: 絶えず続く
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更新时间:2025/3/10 7:05:50