1·The introduction of gunpowder gradually made the bow and arrow obsolete, particularly in Western Europe
火药的使用使弓箭逐渐被淘汰，特别是在西欧。
2·The potentially lethal device was made from a length of hose packed with gunpowder, primers, and shrapnel.
这个能致命的装置是用一根装满火药、引信和弹片的软管做出来的。
—— 《柯林斯英汉双解大词典》
3·Not to grieve a kind master, I learned to be less touchy; and, for the space of half a year, the gunpowder lay as harmless as sand, because no fire came near to explode it.
我不要让一位仁慈的主人难过，我就得学着克制些。 而且，有半年时间，这火药像沙土一样地摆在那儿并没引爆，因为没有火凑近来使它爆炸。
4·Indigenous peoples such as the American Indians, Hawaiians, Maoris of New Zealand, the Aborigines of Australia and many other cultures were conquered by gunpowder.
原著居民像美洲印第安人、夏威夷人、新西兰毛利人、澳洲原住民和很多其他文明都被火药征服了。
5·The cellar lay directly underneath the House of Lords, and over the following months 36 barrels of gunpowder were moved in, enough to blow everything and everyone in the vicinity sky high, if ignited.
地下室正好就在上议院下面，接下来几个月内，约有36桶火药源源不断地运进，如果引爆，足以把周边地区炸的底朝天。