| 释义 |
B, b/bi; biː/ n [C,U] plural B's , b's 1 the second letter of the English alphabet 英语字母表的第二个字母 2 the seventh note in the musical SCALE of C MAJOR , or the musical KEY based on this note B音〔C 大调音阶中的第七个音〕﹔B调 3 a mark given to a student's work to show that it is good but not excellent B级﹐乙级﹐乙等:
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