炮舰

例句：

1. 1. The naval warship was a symbol of national power.
   海军战舰是国家力量的象征。
2. 2. The ship's guns were firing at the enemy in the distance.
   船的大炮正在向远处的敌人开火。
3. 3. The gunners were busy loading and aiming their cannons.
   炮手们忙着装填和瞄准他们的大炮。