an explosive mixture of substances in the form of a powder , used for making explosive devices and fireworks
发音
例句
1. 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。 2. This statement has a strong smell of gunpowder. 这是一篇充满火药味的声明。