手榴弹

例句：

1. 1. The soldier fired a hand grenade at the enemy position.
   士兵向敌人阵地发射了一枚手榴弹。
2. 2. The soldiers were trained to use hand grenades effectively.
   士兵们接受了有效使用手榴弹的训练。
3. 3. In the battle, the hand grenade was the most effective weapon.
   在战斗中，手榴弹是最有效武器。