A bomb exploded somewhere near.

一颗炸弹在附近爆炸。

《牛津词典》

A bomb had been placed under the seat.

座位下面放了一枚炸弹。

《牛津词典》

A bomb exploded at an army recruiting office.

一枚炸弹在一个征兵办公室爆炸了。

《柯林斯英汉双解大词典》

And in April of nineteen eighty-six, a bomb exploded at a West Berlin discotheque popular with American troops.

VOA: special.2011.02.26

Are they gonna view it as a bomb to destroy other people?

他们将会视其为摧毁其他人的炸弹？

普林斯顿公开课 - 人性课程节选

Jim Cavanaugh is a bomb expert who worked for the Bureau of Alcohol,Tobacco, Firearms and Explosives.

VOA: special.2010.05.08

Confidence dropped like a bomb in the fourth quarter of 2000 and now sits at 1990 levels.

FORBES: Digital Rules

It seemed that these three had really started to actually try to prepare a bomb.

NPR: German Officials Look for Others in Terror Plot

Venezuelan parliament speaker Diosdado Cabello compared the meeting to "placing a bomb on the train".

BBC: Venezuela and Colombia in row over Capriles meeting