废水 liquid waste waste water 下面给楼主举3个例子,看其用法。1. 这些化学公司排出废水污染著我们的河流。The chemical companies are poisoning our rivers with effluent.2. 贵公司是否有自己的废水处理厂?Does the company maintain its own waste-water treatment plant? 3. 他们怎能用这样的方式处理废水?How can they get rid of waste water in this way?