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词汇 处理污水
分类 英语词汇 英汉例句词典
释义 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。It was many years before the city began to treat its sewage.很多年以后这个城市才开始处理污水
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