名词
中文翻译：排水
同义词：
['outlet', 'drain', 'outlet', 'drainage system']
例句：
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1. The city has a large sewage treatment plant to ensure proper drainage of wastewater.
这个城市有一个大型的污水处理厂，确保废水得到适当的排放。
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2. The farmers used to rely on natural drainage for irrigation.
农民过去依赖自然排水进行灌溉。
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3. The construction of the new highway will significantly improve the drainage capacity of the area.
新高速公路的建设将显著提高该地区的排水能力。