| 例句 |
The gunpowder sometimes fails to ignite.火药有时候点不着。An explosion of gunpowder shatters a rock.火药把岩石炸碎。The powder immediately ignited and set off a chain reaction of explosions.火药立即点燃，引发一连串爆炸。The gun was primed and ready.这砲已装上火药，准备就绪。Gunpowder has been recognized to be of Chinese provenance.火药被公认是中国发明的。 |