沙囊

例句：

1. 1. The soldier used a sandbag to protect himself from the bullets.
   士兵用沙袋保护自己免受子弹的伤害。
2. 2. The children were playing in the sandbox with their sandbags.
   孩子们在沙坑里用他们的沙袋玩耍。
3. 3. The soldiers had to carry their sandbags over the river.
   士兵们不得不扛着他们的沙袋过河。