爆炸装置被藏在一个手提箱里。

The ___explosive device was hidden in a suitcase.

油蒸气和氧气的爆炸性混合物极易燃。

An ___explosive mixture of oil vapour and oxygen is highly flammable.

一小块爆炸材料在伦敦街头造成了混乱。

The small piece of an ___explosive material caused chaos in the streets of London.