B, b

n (pl B's, b's/ bi:z; biz/) 1 the second letter of the English alphabet 英语字母表的第二个字母: There are three b's in bubble. 在bubble这个字中有三个b.2 (music 音) the seventh note in the scale of C majorC大调音阶中的第七音或音符. 3 academic mark of second highest standard 学业成绩达次高标准的评价符号: get (a) B/`B' in English 英语（学科）得B.

axe, axe (also esp US ax), axial, axiom, axiomatic, axis, axle, ayatollah, aye (also ay), azalea, azimuth, Azores, B, B and B, B and B (also b and b), B Ed, B Eng, B Litt, B Mus, B Phil, B-road, B.A., B.C., B/L, BA, baa, babble, babbler, babe, babel, baboon, baby, baby carriage, baby grand, baby tooth, baby-faced, baby-minder, baby-sit, baby-sitter, baby-sitting,