b是什么意思

2023-12-10 16:41:17

美[biː] 英[biː]

n. 字母B；第二；B调；乙等；像字母B的东西

近义词：vitaminBcomplex，barn，bacillus，vitaminB，boron，bel，bcomplex，Bvitamin，

n.(名词)

abbr.(缩略词)

adj.(形容词)

Noun

aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
originally thought to be a single vitamin but now separated into several B vitamins
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
a logarithmic unit of sound intensity equal to 10 decibels
(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
the 2nd letter of the Roman alphabet
the blood group whose red cells carry the B antigen

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