名词
中文翻译：保留池
同义词：
['retention pond', 'retention tank']
例句：
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1. The retention basin is designed tohold the water until it can be releasedback into the river.
保留池的设计是为了储存水，直到它可以释放回河流。
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2.The retention basin was built to preventerosion and maintain the water quality inthe area.
保留池被建造来防止侵蚀并维护该地区的水质量。
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3. The retentionbasin is a crucial component of the wastewater treatment system.
保留池是废水处理系统的关键组成部分。