Hello, you're watching BBC world news and these are the headlines.

大家好，您正在收看BBC世界新闻头条cXB4,k2X55q.]SypcDd。

On the eve of his inauguration as president on Wednesday, Joe Biden has led a powerful tribute to more than four hundred thousand Americans who've died from the pandemic.

在周三的总统就职典礼前夕，乔·拜登向死于新冠疫情的40多万美国人致以崇高的敬意4!wgUaP(U8Z。

Mr Biden said the U.S must heal as a nation.

拜登表示，美国必须愈合创伤^g[#B]HF=*F*G-cTyq^。

This is the scene in Washington where Joe Biden is to be sworn in as the 46th president of the United States.

这里是华盛顿——乔·拜登即将宣誓就任美国第46任总统的场所9hT@soR3wx[hO~1。

Security will be tighter than ever after last week's capital riots.

在上周的首都骚乱之后，华盛顿的安全措施将比以往任何时候都更加严格SILNw7B_2N。

Donald Trump has issued his presidential pardons including one for the former key political aide Steve Bannon.

唐纳德·特朗普发布了总统赦免令，其中包括对前重要政治助手史蒂夫·班农的赦免z-x]4PK&;(D1l][C。

Mr Trump earlier released a farewell video on his last day in office saying he was proud of his achievements in the White House.

早些时候，特朗普在任期最后一天发布了一段告别视频，称他为自己在白宫取得的成就感到骄傲QDKo2b_xitqj;]S。

The former British prime minister Theresa May says her successor Boris Johnson is abandoning the UK's position of global moral leadership accusing him of failing to honor British values.

英国前首相特蕾莎·梅表示，她的继任者鲍里斯·约翰逊正在放弃英国的全球道德领袖地位，并指责他未能尊重英国的价值观pK|-b@].m]kd@XSzgiYi。