拜登将于2月20日， 俄国入侵乌克兰一周年之际，访问波兰。白宫国家安全委员会说这是为表明继续乌克兰站在一起

Coming just before the first anniversary of Russia's invasion of Ukraine on February 24, Biden's visit "will make it very clear that the United States will continue to stand with Ukraine for as long as it takes," said John Kirby, spokesperson for the White House National Security Council.

 

https://www.voanews.com/a/us-announces-biden-visit-to-poland-after-russian-onslaught-on-ukraine-/6958117.html