________________________President Obama will be hosting Ukraine's interim Prime Minister Arseniy Yatsenyuk at the White House Wednesday. The White House says the president will stress its strong support for the Ukrainian people and talk about more economic aid. _____________________奥巴马总统周三将会在白宫接待乌克兰临时总理阿尔谢尼`亚采纽克.白宫表示,届时总统将强调美国会鼎力支持乌克兰人民,双方也会进一步商讨经济援助.