bomb 
英 [bɒm]  美 [bɑm] 
n. 炸弹；彻底的失败

v. 轰炸，投弹；失败

例句：
Bombs went off at two London train stations. 

伦敦的两个火车站发生了炸弹爆炸事件。

It's not known who planted the bomb. 

炸弹安放者身份不明。

Most of the bombs fell in the south. 

多数炸弹投到了南方。

A car bomb outside the Australian embassy has killed eight people. 

澳大利亚使馆外的汽车炸弹造成了8人死亡。

Fuchs lost two fingers when a letter bomb went off at his home. 

一枚书信炸弹在富克斯家中爆炸，他被炸掉了两根手指。