VOA慢速：废水测试可以确定在医院和学校爆发的疫情 / 四六文摘

在过去几个月里,各行各业为抗击新冠病毒疫情,不分国界,通力协作.在抗疫物资.医疗救治.流行病学研究等等方面,我们看到了越来越多国际合作与交流,在这其中,水行业也在积极的行动,从用水安全的角度保护人们免 ...

精彩内容波兰第一家Nereda好氧颗粒污泥项目工厂成功运行一周年新加坡开始第四座海水淡化工厂的招标工作美国密歇根州水监管官员和水务公司主管因Flint市水污染事件受到刑事指控日本采用纤维载体技 ...

✏️笔记:in hospital: 生病住院in the hospital:在医院里in office:在职in the office:在办公室里in school:上学.上课in the schoo ...

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听力参考原文 ↓↓↓ [00:00.04]Afghans fearing punishment from the Taliban [00:04.44]have attempted to stay ou ...

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VOA慢速：废水测试可以确定在医院和学校爆发的疫情