火器

例句：

1. 1. The soldiers used to fire cannons at the enemy from a distance.
   士兵们过去会从远处用大炮射击敌人。
2. 2. Firearms are banned in many countries due to safety concerns.
   由于安全担忧，许多国家禁止使用火器。
3. 3. The gunpowder explosion was so loud that it woke up the entire village.
   火药爆炸声如此巨大以至于整个村庄都被吵醒了。