标签: necessarily

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福西: Children can go back to school ‘without necessarily having everyone vaccinated

14 观看次数0 注释

关闭视频博士. 福西: Masks should still be worn after getting COVID vaccine Biden chief medical adviser tells 'Your World' more must be done to determine whether vaccinated people can transmit virus Children ...

世卫组织警告COVID-19大流行“不一定是大流行”’

38 观看次数0 注释

关闭视频加州“没有做好准备”应对激增的冠状病毒病例: Gasparino Fox商业网的Charles Gasparino认为Newsom, 其他州长正在实施封锁措施,实行“不良管理” ...

Vikings weren’t necessarily blond. Or Scandinavian. Why everything you thought you knew about the Norsemen may be wrong

111 观看次数0 注释

London Blond-haired, Scandinavian warriors who pillaged their way through Europe. We thought we knew everything about the Vikings. But some new research suggests we've been getting it wrong. In the biggest study of i...