U.S. President Joe Biden tripped and fell after handing out the last diploma at a graduation ceremony at the U.S. Air Force Academy on Thursday,
周四，在美国空军军官学校举行的毕业典礼上，美国总统乔·拜登在颁发最后一张毕业证书时不慎摔倒ADVFGmJS83E-zW!。
but got up quickly and walked back to his seat.
但他很快站起来，走回到了自己的座位wOH8t^AlQR9q+J%t3F)。
The 80-year-old U.S. President fell forward, caught himself with his hands, then got up on one knee held by three people.
这位80岁的美国总统是前倾摔倒的，用双手支撑住自己，然后借助三个人的帮助，单膝跪地站了起来!yh)AV%[yLX%gl_J。
He walked back to his seat unassisted.
随后，他在没人帮助的情况下，走回了自己的座位s^X.+5+C(n。
White House Communications Director Ben LaBolt said that Biden was fine.
白宫通讯主任本·拉伯特说，拜登目前很好tc5bLm23,^+wxRh。
Doctors declared Biden healthy and fit for duty after a physical examination in February.
今年2月，医生在对拜登进行体检后宣布，他的身体健康，可以正常工作_0d.C,XC]!vuPT).。

The fall came after a commencement address Biden delivered to a flag-waving audience,
拜登是在毕业典礼上向挥舞旗帜的观众发表演讲后摔倒的，
where he warned graduates they will enter service in an increasingly unstable world, citing challenges from Russia.
他在演讲中警告毕业生，他们将在一个日益不稳定的世界中服役，并提到了来自俄罗斯的挑战+axgbAe;tLv1@.+]c+t。
After Biden was helped up, he pointed behind him, seeming to indicate what he tripped over.
在拜登被扶起来后，他指着身后，似乎在指示自己被什么绊倒了Q^3xhx4[m3W。
He mingled with other officials afterward, smiling and giving a "thumbs up" sign.
随后，他与其他官员进行了交流，微笑着竖起了大拇指d0wpKKn+bS--。
But the incident is likely to spark more concerns about his age as the nation's oldest president seeks a second term.
但随着这位美国年龄最大的总统寻求连任，这一事件可能会引发人们对他年龄的更多担忧(&%!f=y2,&jv)0R_&。