火炮

例句：

1. 1. The soldiers fired their cannons to repel the enemy.
   士兵们用大炮击退了敌人。
2. 2. The battle was won by the army's artillery.
   这场战役是军队的炮兵取得的胜利。
3. 3. The gunpowder explosion shook the ground.
   火药爆炸震动了地面。