名词
中文翻译：Unknown
同义词：
['watergate', 'waterlock', 'waterblock']
例句：
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1. The engineer had to shut down the waterstop before he could fix the leak.
工程师在修复泄漏之前必须先关闭水闸。
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2. The floodwaters were stopped by the waterstop at the river's confluence with the sea.
河流与大海交汇处的水闸阻止了洪水。
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3. The construction of the new waterstop was a major project for the city.
新水闸的建设是该市的重大项目。