caidan
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" This is why the regulations have to be so strict ," explains Mr Caidan , the head of safety for the site .
“这就是为什么管理条例必须如此严格，”实验场地安全负责人凯旦先生解释说。
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Can a simple household electric shower , as used in the National Institute for Medical Research where Mr Caidan works , for instance , remove all traces of a virus ?
简单的家用电淋浴器，比如凯旦先生供职的国家医学研究所所使用的那种，能够冲洗掉病毒痕迹吗？