artillery gun

例句：

1. 1.The artillery gun was fired at the enemy's position.
   大炮向敌人的阵地开火。
2. 2. The soldiers were trained to use artillery guns for battlefield operations.
   士兵们被训练用来使用火炮进行战场操作。
3. 3. The artillery gun was a crucial component in the war effort.
   火炮是战争中至关重要的组成部分。