那个爆炸装置被藏在一个手提箱里。

The ___explosive device was hidden in a suitcase.

实验室里储存着一种油蒸气和氧气的爆炸性混合物。

The laboratory stored an ___explosive mixture of oil vapour and oxygen.

一小块爆炸材料在市中心引起了混乱。

A small piece of ___explosive material caused chaos in the city center.