炮术

例句：

1. 1. The art of gunpowder is a crucial part of ancient warfare.
   火药的技艺是古代战争的重要组成部分。
2. 2. In the military, gunpowder was used to create powerful explosions.
   在军事上，火药被用来制造强大的爆炸。
3. 3. Gunpowder has been used for centuries in various applications, from fireworks to modern explosives.
   火药已经被使用了几个世纪，从烟花到现代的爆炸物。