gunpowder

/ˈgənˌpaʊdər/

a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks

Chinese meaning: 火药

The invention of gunpowder revolutionized warfare in medieval times.

火药的发明在中世纪彻底改变了战争方式。

Fireworks displays rely on gunpowder to create colorful explosions in the sky.

烟花表演依靠火药在天空中制造五彩斑斓的爆炸效果。