总统乔·拜登在白宫举行单独新闻发布会，介绍他的履历、年龄、健康状况和政策重点。 President Joe Biden held a solo news conference at the White House, addressing his record, age, fitness, and policy priorities.

总统乔·拜登在白宫举行了单独的新闻发布会，讨论了尽管遭遇挫折但仍坚持参加竞选的决心，并回答了有关他的年龄和参选健康状况的问题。 President Joe Biden held a solo news conference at the White House, discussing his dedication to staying in the race despite setbacks, and addressing questions on his age and fitness to serve. 拜登为自己的任职记录进行辩护，强调了他在整个政治生涯中的经验和成就。 Biden defended his record in office, highlighting his experience and accomplishments throughout his political career. 他还强调抗击新冠肺炎疫情、气候变化和经济复苏的重要性。 He also emphasized the importance of fighting COVID-19, climate change, and economic recovery.