Medvedev adds that visiting U.S. officials are likely to face difficult talks on Tuesday with their Russian counterparts, Sergei Lavrov and Anatoly Serdyukov. 梅德韋杰夫還說(shuō),到訪(fǎng)的美國官員在星期二會(huì )晤俄羅斯外長(cháng)拉夫羅夫和俄羅斯國防部長(cháng)謝爾久科夫時(shí),可能會(huì )面臨一些困難。