B

英 [biː]

美 [biː]

n. 英语字母表的第2个字母; B音(C大调的第7音或音符); (学业成绩)第二等，良
symb. B级公路(英国公路代号，后接数字)

BNC.2992

习惯用语

from A to B

noun

英语字母表的第2个字母
the second letter of the English alphabet
1. ‘Butter’ begins with (a) B/‘B’.
  butter一词以字母b开头。
B音（C大调的第7音或音符）
the 7th note in the scale of C major
（学业成绩）第二等，良
the second highest mark/grade that a student can get for a piece of work
1. She got (a) B in/for History.
  她的历史科成绩是良。
（表示两个或两个以上可能性中的）第二个
used to represent the second of two or more possibilities
1. Shall we go for plan A or plan B?
  我们选用第一方案还是第二方案？
（假设的或不指出姓名身份的第二人）乙，乙某
used to represent a person, for example in an imagined situation or to hide their identity
1. Let's pretend A meets B in the park.
  假设甲某和乙某在公园里相遇。

symbol

B级公路（英国公路代号，后接数字）
used in Britain before a number to refer to a particular secondary road
1. the B1224 to York
  通往约克郡的B1224号公路

英语字母表的第2个字母
Bis the second letter of the English alphabet.
C大调音阶中的第七音；B音
In music,Bis the seventh note in the scale of C major.
（作业、考试等的）乙等，良好
If you get aBas a mark for a piece of work or in an exam, your work is good.
（用于首字母为b的一些单词的缩写，如born）
Borbis used as an abbreviation for words beginning with b, for example 'born'.

Suppose A equals B.
假定A等于B。
He passed through the doorway into Ward B
他穿过门口进入B病房。
Frequently, men who check answer ( b) have not actually had the experience of being repeatedly rejected by women.
多数情况下，选（b）的男人没有真的尝过三番五次被女人拒绝的滋味。
I'm giving him a B minus.
我准备给他一个B—。
Cars are for getting people from A to B in maximum safety.
汽车用于将人们尽可能安全地从一地送往另一地。
Liver cancer is linked to the hepatitis B virus
肝癌与乙肝病毒存在关联。
You are asked to swallow a capsule containing vitamin B
你要服一粒维生素B胶囊。
A and B are in love with each other.; A falls in love with B.
甲与乙恋爱。
She went from a D in her mocks to a B in the real thing.
她模拟考试得了D，到了真正考试的时候却拿了个B。
My mark in physics is B.
我的物理学得了“b”。