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B
美音音标: [biː]
B 美音 真人发音
英音音标: [biː]
B 英音 真人发音
英汉字典
英英字典
解释
字母;
同义
b
bacillus
词性
n
解释
aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
示例
None
同义
b
b complex
b vitamin
b-complex vitamin
vitamin b
vitamin b complex
词性
n
解释
originally thought to be a single vitamin but now separated into several B vitamins
示例
None
同义
atomic number 5
b
boron
词性
n
解释
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
示例
None
同义
bel
b
词性
n
解释
a logarithmic unit of sound intensity equal to 10 decibels
示例
None
同义
b
barn
词性
n
解释
(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
示例
None
同义
b
词性
n
解释
the 2nd letter of the Roman alphabet
示例
None
同义
type b
b
group b
词性
n
解释
the blood group whose red cells carry the B antigen
示例
None