词组
  • plan B
    an alternative strategy 替补方案
英语四级真题
  • B ) Psychological factors influence our hunger levels.
    出自-2013年12月阅读原文
  • will often become more cautious
    出自-2011年12月阅读原文
  • The tradition, dating back to 300 B.C., was later incorporated into the Christian church.
    2017年6月四级真题(第一套)阅读 Section C
英语六级真题
  • Almost half of the sites didn't get a passing grade and only 18 percent got an A or B.
    2019年6月六级真题(第一套)阅读 Section B
  • In the observational studies we found that some of the B vitamins were beneficial.
    2016年6月六级真题(第二套)听力 Section C
柯林斯高阶英汉双解学习词典释义
  • N-VAR
    英语字母表的第2个字母
    B is the second letter of the English alphabet.
  • 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.
  • 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.
  • (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'.
英英词典释义
  • Noun
    1. (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
行业词典
  • 医学: bel贝〔耳〕;boron硼;B点:见point项下的point B;
    机械: 型显示;B-display 以探头的移动距离为横轴,以探伤距离(深度)为纵轴,绘制探伤体的截面图的显示方式。;三;类激光产品 class 3B laser product 对于任一发射持续时间和波长来说,允许人体接近超过一类与二类可接受发射极限,而不超过三B类可接受发射极限激光辐射的激光产品。;
    水产: 单脚剪裁;cut 符号B。沿网结外缘剪断一根目脚的剪裁工艺。;
    航天: 不确定度的;类评定 type B evaluation [of uncertainty];