In his acceptance speech, Biden promised to bring unity to the nation.

拜登在接受採訪的演講中承諾，將為國家帶來團結。

People in Beijing and other northern Chinese cities are being tested after an increase in the number of COVE in 19 cases in the area.

北京和其他中國北方城市的人們在19例COVE增加後，正在接受檢測。

Russia says it wants to extend the new Start nuclear arms control treaty with the United States and the co vid 19 vaccine by Pfizer and beyond.

俄羅斯表示，希望延長與美國簽訂的新的《開始》核軍控條約，並由輝瑞公司和其他公司共同vid 19疫苗。

Tech is likely to protect against a new version of the coronavirus that has spread from Britain, research suggests.

研究表明，科技很可能會防範一種從英國傳播的新版冠狀病毒。