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单词 bleach
释义
bleach
(bl )
Word forms: bleaches , bleaching , bleached
1. verb
If you bleach something, you use a chemical to make it white or pale in colour.
These products don't bleach the hair. [VERB noun]
Commercial flour is bleached artificially. [VERB noun]
...bleached pine tables. [VERB-ed]
...a bleaching agent. [VERB-ing]
Synonyms: lighten, wash out, blanch, peroxide  
2. verb
If the sun bleaches something, or something bleaches, its colour gets paler until it is almost white.
The tree's roots are stripped and hung to season and bleach. [VERB]
The sun will bleach the hairs on your face. [VERB noun]
He has hair which is naturally black but which has been bleached by the sun. [VERB noun]
...bleached seaweed. [VERB-ed]
Synonyms: whiten, fade, pale, lighten  
3. variable noun
Bleach is a chemical that is used to make cloth white, or to clean things thoroughly and kill germs.
Collocations:
bleach out
I bleach out the dark bits, and then make the light bits a softer-looking dove grey.
Times, Sunday Times
The fine green leaves grow in tufts, producing silky seedheads that bleach out from early summer.
Times, Sunday Times
Best planted in partial or dappled shade because the colour can bleach out in full sun.
Times,Sunday Times
But it wasn't, they got bleach out.
The Sun
If you clean too thoroughly or use a commercial process, it will bleach out patina and character.
Times, Sunday Times
bleach solution
Or soak in a weak bleach solution and rinse well.
Times, Sunday Times
Next, the film goes into a bleach solution.
Retrieved from Wikipedia CC BY-SA 3.0
Autoclaving, flaming, and chemical treatment with trisodium phosphate and bleach solution are traditional methods for disinfection.
Retrieved from Wikipedia CC BY-SA 3.0
The decontaminated equipment or area should be in contact with the bleach solution for at least 30 seconds.
Retrieved from Wikipedia CC BY-SA 3.0
All items that may have come into contact with the infected ferret should be cleaned with a 10% bleach solution.
Retrieved from Wikipedia CC BY-SA 3.0
bleaching product
Another method involves painting a bleaching product on to the teeth and activating it under a laser lamp.
Times, Sunday Times
People who are sensitive to hydrogen peroxide (the whitening agent) should not try a bleaching product without first consulting a dentist.
Retrieved from Wikipedia CC BY-SA 3.0
Peroxide based over-the-counter bleaching products have the potential to generate free radicals.
Retrieved from Wikipedia CC BY-SA 3.0
chlorine bleach
Then make a solution of two tablespoons of liquid chlorine bleach and two pints of warm water, wipe over the area and leave for 10 minutes before drying.
Times, Sunday Times
The hypochlorite can be in the form of a powder or a liquid such as chlorine bleach (solution of sodium hypochlorite in water).
Retrieved from Wikipedia CC BY-SA 3.0
One gram of a 100% active chlorine bleach has the same bleaching power as one gram of chlorine.
Retrieved from Wikipedia CC BY-SA 3.0
Most people can detect about 0.01 mol/mol of ozone in air where it has a very specific sharp odor somewhat resembling chlorine bleach.
Retrieved from Wikipedia CC BY-SA 3.0
In the 18th century several scientists developed varieties of chlorine bleach, including sodium hypochlorite and calcium hypochlorite (bleaching powder).
Retrieved from Wikipedia CC BY-SA 3.0
household bleach
Remove stains with a mild solution of household bleach.
Times, Sunday Times
Test a discreet area first, as it may weaken the fabric and affect any colour, but it's gentler than household bleach, which you shouldn't use.
Times, Sunday Times
They should visit the bathroom last and clean hard surfaces with a household bleach product.
The Sun
Clean diaper pails with a disinfectant cleaner or liquid household bleach.
Houston Chronicle
Soak in a weak solution of household bleach for 15 minutes.
Times, Sunday Times
sun bleaches
Our faces were etched with salt spray, our palms were red and raw, our club blazers were bleached by the sun.
Times, Sunday Times (2014)
But other artists chose to paint architectural and desert scenes in which the direct light of the sun bleached out almost all colour.
The Times Literary Supplement (2013)
With the intense afternoon sun bleaching the landscape, it is hard to imagine the half-light in which the cross-border raid took place.
Times, Sunday Times (2008)
Translations:
Chinese: 漂白粉, 漂白
Japanese: 漂白剤, 漂白する
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更新时间:2024/9/20 22:48:51