-
n.
名词
- 英语字母中的第二个字母，小写为b
- 乙等，良好
- 【数】第二，乙
- 第二已知数
- 硼
- B音，（音乐中）B调
- B的活字或印刷体
- 表示第二的符号
- 样子像字母B的东西
abbr.
缩略词
- 生于
adj.
形容词
- B的
- 第二的
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
-
-
美
[biː]
