U.S. President Barack Obama is in Poland on the first stop of a three-nation European tour expected to be dominated by talks on the Ukraine crisis.
美国总统奥巴马已经抵达波兰。波兰是奥巴马总统此次欧洲三国之行的第一站。预计这次出访的重点是讨论乌克兰危机问题。

Mr. Obama and Polish President Bronislaw Komorowski are meeting Tuesday in Warsaw after visiting with airmen from both nations who are part of a mission providing extra air support to the region following Russia's annexation of Crimea.
奥巴马和波兰总统科莫罗夫斯基星期二在华沙举行会谈。此前两国领导人与美国和波兰两国的空军军人见面。俄罗斯并吞克里米亚后，美国和波兰空军参加了为该地区提供更多空中援助的行动。

Their talks are also expected to focus on NATO and U.S.-Polish relations.
预计奥巴马和科莫罗夫斯基的会谈还会讨论北约及美国与波兰关系的问题。

The two presidents will host a broader meeting later Tuesday with leaders from Central and European countries.  Mr. Obama is also scheduled to meet with Polish Prime Minister Donald Tusk.
星期二晚些时候，奥巴马和科莫罗夫斯基将一道会见中欧及其他欧洲国家的领导人。此外，奥巴马还将会见波兰总理图斯克。

The U.S. leader's trip comes as Ukraine's government battles pro-Russian separatists.  He is due to meet with Ukrainian president-elect Petro Poroshenko before leaving Poland on Wednesday.
在奥巴马出访欧洲之际，乌克兰政府正在与亲俄罗斯的分离分子作战。奥巴马星期三离开波兰之前，将会见乌克兰当选总统波罗申科。