复数:forty-fives
1.四十五,四十五个
1.45″ 口径手枪(常作0.45,意为0.45cm.)
2.(每分钟)四十五转唱片(常写作 45)
1.the Jacobite Rebellion of 1745 to 1746 in the United Kingdom
2.a pistol with a .45 caliber.
3.a record smaller than an LP that is played at 45 revolutions per minute