英语词汇“b”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

1n 2n

WORD FAMILY

USAGE EXAMPLES

Tiny shifts in the frequency of Proxima Centauri’s light revealed the planet, dubbed Proxima b.

Science Magazine(Dec 22, 2016)

This rocky world in a next-door system - named Proxima b - also sits within the so-called habitable zone around its star.

BBC(Dec 21, 2016)

The planet, called Proxima b, is at least 1.3 times the mass of Earth and orbits Proxima every 11.2 days.

Nature(Dec 18, 2016)

n the 2nd letter of the Roman alphabet

Syn|Hyper

alphabetic character, letter, letter of the alphabet

the conventional characters of the alphabet used to represent speech

n (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter

Syn|Hyper

barn

area unit, square measure

a system of units used to measure areas

1n 2n 3n 4n 5n 6n

WORD FAMILY

USAGE EXAMPLES

Harry B. Harris told an audience in Australia recently that “reports of America’s abandonment of the Indo-Asia-Pacific are greatly exaggerated.”

Washington Times(Jan 02, 2017)

France beat Germany in Group A's other fixture, with USA, Spain, Australia and the Czech Republic completing the line-up in Group B.

BBC(Jan 02, 2017)

There is 4 to 6, A to B, in reference to the effort expected on each play.

Seattle Times(Dec 30, 2016)

n the 2nd letter of the Roman alphabet

Syn|Hyper

alphabetic character, letter, letter of the alphabet

the conventional characters of the alphabet used to represent speech

n the blood group whose red cells carry the B antigen

Syn|Hyper

group B, type B

blood group, blood type

human blood cells (usually just the red blood cells) that have the same antigens

n originally thought to be a single vitamin but now separated into several B vitamins

Syn|Hypo|Hyper

B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complex

choline

a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat

inositol

an optically inactive alcohol that is a component of the vitamin B complex

pantothen, pantothenic acid

a vitamin of the vitamin B complex that performs an important role in the oxidation of fats and carbohydrates and certain amino acids; occurs in many foods

aneurin, antiberiberi factor, thiamin, thiamine, vitamin B1

a B vitamin that prevents beriberi; maintains appetite and growth

antipernicious anemia factor, cobalamin, cyanocobalamin, vitamin B12

a B vitamin that is used to treat pernicious anemia

hepatoflavin, lactoflavin, ovoflavin, riboflavin, vitamin B2, vitamin G

a B vitamin that prevents skin lesions and weight loss

adermin, pyridoxal, pyridoxamine, pyridoxine, vitamin B6

a B vitamin that is essential for metabolism of amino acids and starch

folacin, folate, folic acid, pteroylglutamic acid, pteroylmonoglutamic acid, vitamin Bc, vitamin M

a B vitamin that is essential for cell growth and reproduction

niacin, nicotinic acid

a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract

biotin, vitamin H

a B vitamin that aids in body growth

water-soluble vitamin

any vitamin that is soluble in water

n a logarithmic unit of sound intensity equal to 10 decibels

Syn|Hyper

Bel

sound unit

any acoustic unit of measurement

n a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder

Syn|Hyper

atomic number 5, boron

chemical element, element

any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

n aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil

Syn|Hypo|Hyper

bacillus

Bacillus anthracis, anthrax bacillus

a species of bacillus that causes anthrax in humans and in animals (cattle and swine and sheep and rabbits and mice and guinea pigs); can be used a bioweapon

Bacillus globigii, Bacillus subtilis, grass bacillus, hay bacillus

a species of bacillus found in soil and decomposing organic matter; some strains produce antibiotics

Yersinia pestis

a bacillus bacterium that causes the plague; aerosolized bacteria can be used as a bioweapon

eubacteria, eubacterium, true bacteria

a large group of bacteria having rigid cell walls; motile types have flagella

单词	b
释义	b (once / 83 pages) 1n 2n WORD FAMILY b USAGE EXAMPLES Tiny shifts in the frequency of Proxima Centauri’s light revealed the planet, dubbed Proxima b. Science Magazine(Dec 22, 2016) This rocky world in a next-door system - named Proxima b - also sits within the so-called habitable zone around its star. BBC(Dec 21, 2016) The planet, called Proxima b, is at least 1.3 times the mass of Earth and orbits Proxima every 11.2 days. Nature(Dec 18, 2016) 1 n the 2nd letter of the Roman alphabet Syn\|Hyper B alphabetic character, letter, letter of the alphabet the conventional characters of the alphabet used to represent speech 2 n (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter Syn\|Hyper barn area unit, square measure a system of units used to measure areas B (once / 216 pages) 1n 2n 3n 4n 5n 6n WORD FAMILY B USAGE EXAMPLES Harry B. Harris told an audience in Australia recently that “reports of America’s abandonment of the Indo-Asia-Pacific are greatly exaggerated.” Washington Times(Jan 02, 2017) France beat Germany in Group A's other fixture, with USA, Spain, Australia and the Czech Republic completing the line-up in Group B. BBC(Jan 02, 2017) There is 4 to 6, A to B, in reference to the effort expected on each play. Seattle Times(Dec 30, 2016) 1 n the 2nd letter of the Roman alphabet Syn\|Hyper b alphabetic character, letter, letter of the alphabet the conventional characters of the alphabet used to represent speech 2 n the blood group whose red cells carry the B antigen Syn\|Hyper group B, type B blood group, blood type human blood cells (usually just the red blood cells) that have the same antigens 3 n originally thought to be a single vitamin but now separated into several B vitamins Syn\|Hypo\|Hyper B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complex choline a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat inositol an optically inactive alcohol that is a component of the vitamin B complex pantothen, pantothenic acid a vitamin of the vitamin B complex that performs an important role in the oxidation of fats and carbohydrates and certain amino acids; occurs in many foods aneurin, antiberiberi factor, thiamin, thiamine, vitamin B1 a B vitamin that prevents beriberi; maintains appetite and growth antipernicious anemia factor, cobalamin, cyanocobalamin, vitamin B12 a B vitamin that is used to treat pernicious anemia hepatoflavin, lactoflavin, ovoflavin, riboflavin, vitamin B2, vitamin G a B vitamin that prevents skin lesions and weight loss adermin, pyridoxal, pyridoxamine, pyridoxine, vitamin B6 a B vitamin that is essential for metabolism of amino acids and starch folacin, folate, folic acid, pteroylglutamic acid, pteroylmonoglutamic acid, vitamin Bc, vitamin M a B vitamin that is essential for cell growth and reproduction niacin, nicotinic acid a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract biotin, vitamin H a B vitamin that aids in body growth water-soluble vitamin any vitamin that is soluble in water 4 n a logarithmic unit of sound intensity equal to 10 decibels Syn\|Hyper Bel sound unit any acoustic unit of measurement 5 n a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder Syn\|Hyper atomic number 5, boron chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter 6 n aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil Syn\|Hypo\|Hyper bacillus Bacillus anthracis, anthrax bacillus a species of bacillus that causes anthrax in humans and in animals (cattle and swine and sheep and rabbits and mice and guinea pigs); can be used a bioweapon Bacillus globigii, Bacillus subtilis, grass bacillus, hay bacillus a species of bacillus found in soil and decomposing organic matter; some strains produce antibiotics Yersinia pestis a bacillus bacterium that causes the plague; aerosolized bacteria can be used as a bioweapon eubacteria, eubacterium, true bacteria a large group of bacteria having rigid cell walls; motile types have flagella
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