名词
中文翻译：沙袋
同义词：
['dry bag', 'sandbag', 'sandbag', 'dry sack']
例句：
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1.He filled the sandbag with water and emptied it into the river.
他往沙袋里灌水，然后把它倒进河里。
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2. The soldiers used sandbags to protect themselves from enemy fire.
士兵们用沙袋保护自己免受敌人的炮火攻击。
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3. The engineers were busy constructing sandbags for the flood defense.
工程师们忙着为防洪工程制作沙袋。