pipe bomb

1. 铁管（或钢管）土炸弹
   A pipe bomb is a small bomb in a narrow tube made by someone such as a terrorist.

1. The man suspected of leaving a pipe bomb at a Colorado shopping mall is now in the custody of the FBI.
   一名男子被怀疑在科罗拉多购物中心投放一枚管道炸弹，目前正被FBI拘留。
2. LETHAL pipe bomb device, discovered under a woman's car in crumlin, may be connected to an on-going feud in the area.
   一个致命的雷管炸弹设备，在一个女人的车下面被发现，原因可能关系到一个还在继续的帮派纷争。

noun

1. a small homemade bomb usually contained in a metal pipe