您要查找的是不是：
- 庆大霉素BgentamicinB
- 庆大霉素gentamicin
- 她的成绩是B+。She got a grade of B plus.
- comb这个词里的"b"是不发音的。The "b" in "comb" is not sounded.
- 硫酸庆大霉素gentamicin sulphate
- 为B向A说情make an intercession to A for B
- 用b除adevide a by b
- 把线段AD 延长到 Bto produce the line AD to B
- b = AP-DS1 号。b = the AP-DS1 number.
- 把A和B相比parallel A with B
- A比B高A is taller than B
- “与”B 非门A AND NOT B gate A
- ⅠbⅠ b
- 用A代Bsubstitute A for B
- B树B-tree
- B码B code
- 、BB
- B酸B acid
- K-BK-B
- B辐射UV-B radiation
