病毒像个看不见的幽灵一样在全世界游荡，美国算比较负责任，每天报数据，大规模真正检测。

来源: Oona 于 2020-06-18 15:14:47 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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