Gunpowder is an explosive substance which is used to make fireworks or cause explosions.
英漢詞典釋義
n.
火藥
Gunpowder was introduced into Europe during the first half of the 14th century.在14世紀(jì)上半葉,火藥傳入歐洲。The barrel of gunpowder blew up with a terrible noise.火藥桶爆炸了,發(fā)出轟然一聲巨響。
英英詞典釋義
Noun
1. a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks