b
- 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;第二个;乙，乙某
- symb.B级公路(英国公路代号，后接数字)
bnoun
英语字母表的第2个字母
the second letter of the English alphabet
‘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
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
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
Let's pretend A meets B in the park.
假设甲某和乙某在公园里相遇。
from one place to another
在我看来，汽车只不过是从一地到另一地的代步工具。
For me a car is just a means of getting from A to B.
symbol
b
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1
N-VAR 英语字母表的第2个字母
B is the second letter of the English alphabet. -
2
N-VAR C大调音阶中的第七音；B音
In music, B is the seventh note in the scale of C major. -
3
N-VAR （作业、考试等的）乙等，良好
If you get a B as a mark for a piece of work or in an exam, your work is good. -
4
（用于首字母为b的一些单词的缩写，如born）
B or b is used as an abbreviation for words beginning with b, for example 'born'.
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I got a B on my history assignment .
我历史作业得了良。
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He got a C in chemistry anda B in english .
他化学考试得中，英语考试得良。
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Shall we go for plan A or plan B ?
我们采用第一方案还是第二方案？
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Shall we go for plan A or plan B ?
我们选用第一方案还是第二方案？
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Assume A knows B is guilty .
假定甲知道乙应负罪责。
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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。
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We should require that every student is immunized against hepatitis B
我们应要求每个学生都注射乙肝疫苗。
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Liver cancer is linked to the hepatitis B virus
肝癌与乙肝病毒存在关联。
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You are asked to swallow a capsule containing vitamin B
你要服一粒维生素B胶囊。
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Their solution was to isolate specific clones of B cells and fuse them with cancer cells
他们的解决方案是分离出特定的B细胞克隆，然后将它们和癌细胞结合。
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I 'm giving him a B minus .
我准备给他一个B—。
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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。
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There are B & Bs all over the islands .
提供住宿和早餐的家庭旅馆遍布全岛。
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A grade B judge could only be allowed to judge alongside a qualified grade A judge .
B级裁判只能协同有A级资质的裁判进行评判。
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Candidates who answered ' b ' could be awarded half marks for demonstrating some understanding of the process
回答b的选手表明对这个过程有所了解，因此可以得到一半的分数。
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He passed through the doorway into Ward B
他穿过门口进入B病房。
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A squared plus B squared equals C squared .
A的平方加上B的平方等于C的平方。
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Decide whether the ball is in square A , B , C , or D , then call and leave your answer
选定球放在A、B、C、D哪个方格，然后打电话来，留下您的答案。
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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。
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Assign the letters of the alphabet their numerical values — A equals 1 , B equals 2 , etc.
给字母表里的每个字母赋予相应的数值——A等于1，B等于2，等等。
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There the railway forks to A and B ( places ) .
这条铁路在那儿分叉通向甲乙两地。
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A and B are in love with each other . ; A falls in love with B.
甲与乙恋爱。
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Mr. A was counsel for the plaintiff , and Mr. B for the defendant .
A先生作原告的辩护人，B先生作被告的辩护人。
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We joined point a to point B in a straight line .
我们画一直线把a点和b点连接起来。
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We read a × b as " a cross b " .
a×b读作“a叉乘b”。
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Finally Team B caught up with team a and took the lead .
比分落后的乙队最终反超了甲队。
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I got a B for my last essay , but only a B minus for this one .
我上一篇作文得了个b，但这一篇只得b-。
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The basis matrix B is unimodular .
基矩阵b是幺模的。
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In china , the rate of chronic hepatitis B accepting antivirotic treatment is very low ( 19 % ) .
中国慢性乙肝患者接受抗病毒治疗的比例较低（19%）。
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A + b and A-B are both factors of a2-b2 .
a+b和a-b都是a2-b2的因式。
- 习语