一颗子弹卡在了他的胸腔里。

A ___bullet had lodged in his chest.

她继续为联邦调查局工作，直到一颗子弹击中了她的肩膀。

She continued working for the FBI until a ___bullet struck her shoulder.

那名警察的防弹衣挡住了子弹。

The police officer's bulletproof vest stopped the ___bullet.