Bullet
01
子弹, 弹头
a small cylindrical metal object designed to be fired from a gun
例子
The soldier loaded the bullet into his rifle, preparing for battle.
士兵将子弹装入步枪，准备战斗。
The detective found a bullet casing at the crime scene, a crucial piece of evidence.
侦探在犯罪现场发现了一个子弹壳，这是一个关键的证据。
02
快球, 子弹
(baseball) a pitch thrown with maximum velocity
03
子弹, 枪弹
a high-speed passenger train
