名词
中文翻译：浪费的水
同义词：
['wastewater', 'untreated wastewater', 'treated wastewater']
例句：
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1. The factory has a large amount of spent water to treat every day.
这个工厂每天有大量的废水需要处理。
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2. The government is working on a plan to recycle spent water from factories.
政府正在制定一个计划，以从工厂回收废水。
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3. The city has invested in new technologies to reduce the amount of spent water being dischargedinto the environment.
该市投资了新技术，以减少排放到环境中的废水量。