名词
中文翻译：水闸
同义词：
['dam', 'lock', 'sluice']
例句：
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1.The engineers are working on building a new dam to control the floods.
工程师们正在建造一座新的大坝来控制洪水。
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2. The old sluice was replaced by a modern one, making water flow more smoothly.
旧的水闸被一座现代的水闸所取代，使得水流更加顺畅。
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3. The trommel is an important part of the irrigation system in the desert.
水闸是沙漠灌溉系统中的重要部分。