Obama meets Bulgarian PM at White House

 WASHINGTON, Dec. 3 (Xinhua) -- U.S. President Barack Obama on Monday met with visiting Bulgarian Prime Minister Boyko Borisov at the White House.

In his remarks before the meeting, Obama first thanked Borisov for Bulgaria's role in the NATO and its contribution to the war in Afghanistan. He also thanked Borisov for his "very diligent¹ investigation²" into the bombing that killed five Israeli tourists and a local bus driver in Bulgaria in July.

"The security teams in Bulgaria have worked very hard and cooperatively in bringing the perpetrators to justice," said Obama.

In response, Borisov said that people in Bulgaria were "deeply moved" at Obama's telephone call wherein the U.S. president conveyed condolences for the Bulgarian citizen as well as the Israeli nationals who were killed in the July bombing.

Borisov said he appreciated Obama's mentioning of Bulgaria's contribution to the wars in Iraq and Afghanistan and also thanked Obama for cooperation with the United States in areas including national security, counterterrorism and combating organized crime.

The two leaders would discuss the NATO's transition in Afghanistan during their meeting, according to Obama.

1 diligent   

adj.勤勉的，勤奋的

参考例句：

• He is the more diligent of the two boys.他是这两个男孩中较用功的一个。
• She is diligent and keeps herself busy all the time.她真勤快，一会儿也不闲着。

2 investigation   

n.调查，调查研究

参考例句：

• In an investigation,a new fact became known, which told against him.在调查中新发现了一件对他不利的事实。
• He drew the conclusion by building on his own investigation.他根据自己的调查研究作出结论。