The barrel of gunpowder blew up with a terrible noise.

火药桶了,发出轰一声巨响。

Gunpowder was introduced into Europe during the first half of the 14th century.

在14世纪上半叶,火药传入欧洲。

Damp, of course, will cause the fougasse to misfire, like any other gunpowder weapon.

当，他火器一样，潮湿天气经常导致地雷哑火。

Gunpowder,dynamite and gun cotton are explosives.

黑色火药、 甘油药强棉药都是药。