名词
中文翻译：大坝
同义词：
['dam', 'damming', 'dam construction', 'dam structure']
例句：
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1. The dam is a crucial part of the hydroelectric power plant.
大坝是水电站的关键部分。
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2. The dam was built to control floods and prevent erosion.
大坝被建造来控制洪水和防止侵蚀。
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3. The dam is being renovated to improve its efficiency.
大坝正在翻新以提高其效率。