名词
中文翻译：废水回收利用
同义词：
['recycling', 'reuse']
例句：
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1.Recycling wastewater is an important step in reducing pollution.
回收废水是减少污染的重要步骤。
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2. The city has implemented a program to encourage residents to recycle their wastewater.
该市实施了一个项目，鼓励居民回收他们的废水。
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3. The company's wastewater recycling system is highly efficient and environmentally friendly.
该公司的废水回收系统非常高效且环保。