US Vice-president Joe Biden praised Mr Obama's swift work since coming to office in January. 美國副總統拜登讚揚奧巴馬總統從一月份上任以來的快速有效的工作。
The American vice-president, Joe Biden, visited Ukraine and Georgia, reassuring both countries that America would support them even as it sought better relations with Russia. 美國副總統拜登訪問了烏克蘭和喬治亞,重申美國將會支持兩國,儘管美國與俄羅斯的關係還有待修補。