您要查找的是不是：
- 维生素B（12） vitamin B12
- 她的成绩是B+。 She got a grade of B plus.
- 3是12的约数。 3 is a submultiple of 12.
- comb这个词里的"b"是不发音的。 The "b" in "comb" is not sounded.
- 12海里以外 12 nautical miles off
- 为B向A说情 make an intercession to A for B
- 12岁时 at the age of 12
- 用b除a devide a by b
- 12减去 2 。 to take 2 from 12 .
- 他从12岁起就拼命干活了。 He worked like a black from the time he was twelve.
- 把线段AD 延长到 B to produce the line AD to B
- 汽车出售有12个月的担保。 The car is sold with a twelve- month warranty.
- b = AP-DS1 号。 b = the AP-DS1 number.
- 一打为12个20 12 to the dozen
- 把A和B相比 parallel A with B
- 运程12公里 A 12-kilometre haul
- A比B高 A is taller than B
- 世界上大约有12种玻璃蜥蜴。 There are about a dozen species of glass lizard in the world.
- “与”B 非门 A AND NOT B gate A
- 有12位的大餐台吗? Do you have a table big enough for twelve people?
