名词
中文翻译：Unknown
同义词：
['drain', 'affluent', 'irrigation', 'drainage']
例句：
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1. The city has a sophisticated water drainage system to manage the rainwater and sewage.
这个城市有一个复杂的排水系统来管理雨水和污水。
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2. The farmers used to rely on manual irrigation for their crops, but now they use advanced water-saving irrigation systems.
农民过去依赖手动灌溉他们的庄稼，但现在他们使用先进的节水灌溉系统。
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3.The construction of the new highway will significantly improve the drainage of the area, reducing flooding risks.
新高速公路的建设将显著改善该地区的排水，减少洪水风险。