1·An empty bullet shell lies on the floor near the body of a man shot dead in his car at a gas station on the outskirts of Acapulco, May 5, 2010.
一个空弹壳在于他的汽车开枪就死在阿卡普尔科，2010年5月5日郊区的加油站附近的一具男性尸体发言。
2·Everywhere building facades are pitted with shell and bullet holes.
各处建筑物的正面都布满了炮弹孔。
—— 《柯林斯英汉双解大词典》
3·The extracting bullet force of authorized fixed loading shell is an important performance in shell design and assembly.
制式定装炮弹的拔弹力是炮弹设计和装配中需要控制的重要性能指标。