12/28 戰爭打了 300 天,美國宣佈再提供 450 億軍援,烏克蘭希望聯合國出面調停 President Joe Biden speaks during a news conference with Ukrainian President Volodymyr Zelenskyy in the East Room of the White House in Washington, Wednesday, Dec. 21, 2022. (AP Photo/Andrew Harnik)