OriginalTweet: 上周为美国之音印尼姐妹台 @XinwenMetroTV 报道拜登政府针对新冠疫情Delta变种病毒而推出新的口罩跟疫苗政策。Last week reported for @voaindonesia affiliate @Metro_TV Biden administration’s new mask and vaccine policy against the COVID19 Delta variant。 @VOANews https://t.co/6u6qEqFPc0