gunpowder

• 一种爆炸性混合物，通常由硝酸钾（硝石）、硫磺和木炭组成，用于火器发射和烟花制造。

A noun referring to an explosive mixture of substances, typically saltpeter, sulfur, and charcoal, used in firearms and fireworks.

不可数

1. Explosive substanceB2formalscientific

   A chemical mixture used as a propellant in firearms and explosives, typically composed of sulfur, charcoal, and saltpeter.

   爆炸物

   • The invention of gunpowder revolutionized warfare in ancient China.
   • Gunpowder must be stored in a cool, dry place to prevent accidental ignition.
   • The old cannon was loaded with gunpowder and a heavy iron ball.