| 单词 | 益值 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔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〔mankind〕It is doubtful whether this research is of any benefit to mankind.这项研究是否对人类有益值得怀疑。牛津搭配 |
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