a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks
同义词：powder
gunpowder例句
Gunpowder is an explosive.
火药是一种爆炸物。
Sulphur can be used to make gunpowder.
硫磺可以用来制造火药。
Sulfur can be used to make gunpowder.
硫磺可以用来制造火药。
The rebels were short of gunpowder.
反叛者们缺少弹药。
gunpowder详细解释
gun.pow.der n.（名词）Any of various explosive powders used to propel projectiles from guns, especially a black mixture of potassium nitrate, charcoal, and sulfur.火药：一种爆炸性粉末，用来把发射物从枪枝中推射出来，尤其是硝石，炭和硫磺的黑色混合物
