gunpowder
英 [ˈɡʌnpaʊdə(r)]
美 [ˈɡʌnpaʊdər]
n. 火药
BNC.16323 / COCA.16953
牛津词典
noun
- 火药
explosive powder used especially in bombs or fireworks
柯林斯词典
- 火药
Gunpowderis an explosive substance which is used to make fireworks or cause explosions.
英英释义
noun
- a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks