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单词 disinfectants
例句 DEFINITIVE EXAMPLES 权威例句〔act〕Disinfectants act on bacteria in two main ways.消毒剂作用于细菌有两种主要途径。朗文当代〔ecologist〕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。柯林斯高阶
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