一颗子弹卡在了男孩的腿里。
A ___bullet had lodged in the boy's leg.
此后,她在FBI工作直到她肩膀上中了一颗子弹。
After this, she was working for the FBI until she received a ___bullet in the shoulder.
警察在犯罪现场发现了一颗子弹。
The police found a ___bullet at the crime scene.