mortar bomb

例句：

1. 1. The mortar bomb was dropped from the sky, causing a massive explosion.
   水泥炸弹从天而降，引发了一场巨大的爆炸。
2. 2. The soldiers were forced to use the mortar bomb as their only weapon.
   士兵们被迫使用水泥炸弹作为他们唯一的武器。
3. 3. The mortar bomb was used to destroy the enemy's communication towers.
   水泥炸弹被用来摧毁敌人的通信塔。