- 释义：
- n. （下水道）污水；污物
- 例句：
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The city needs a new sewage disposal system.
这个城市需要一套新的污水处理系统.
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The intense currents disperse the sewage.
急流冲散了污水。
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Ecologists argue that the benefits of treating sewage with disinfectants are doubtful.
生态学家认为用消毒剂处理污水是否有益值得怀疑。
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