"We need to ensure improved security conditions in the south in order to carry out an effective counter-narcotics strategy in Helmand and Kandahar provinces,".

VOA: standard.2009.03.27

They're small molecules that - whose principal function in the body is to carry signals from one cell in the nervous system to another.

它们都是小分子,在体内主要功能是在,神经系统内将信号,从一个细胞传导到另一个细胞

耶鲁公开课 - 生物医学工程探索课程节选

You konw, the British practicing mercantilism passed navigation acts, saying what ships could carry what and so on -nothing like that in the Greek world.

例如英国以颁布《航海法》,来体现重商主义,他们认为船能带来各种各样的财富,但在希腊不是这样

耶鲁公开课 - 古希腊历史简介课程节选

There are credible reports that al-Qaida has operatives in various parts of Somalia teaching al-Shabab fighters techniques to carry out suicide and roadside bombings.

VOA: standard.2009.05.01

As if winning medals and proposing were not enough, Demong - a four-time Olympian - was also named by his teammates to carry the U.S.flag in Sunday's Closing Ceremonies.

VOA: standard.2010.02.27

People have crowded onto trains, buses and ferries in a bid to carry out their travel plans - and cab companies say they are being paid thousands of dollars to ferry people across Europe by car.

VOA: standard.2010.04.17

Japan,along with the United States and South Korea, have stated that North Korea appears set to carry out a long-range ballistic missile test that would violate a United Nations Security Council resolution approved in 2006 barring Pyongyang from such a launch.

VOA: standard.2009.04.03

Warren says now that researchers have a map of the zebra finch genome, they can carry out experiments to identify which genes in the finch's brain are most critical to hearing and producing song - and by extension, which genes may play a role in human speech disorders, like those related to stuttering, autism,and Parkinson's disease.

VOA: standard.2010.04.05

Peter Pham, Associate Professor of Justice Studies, Political Science and Africana Studies at James Madison University, says conditions in Somalia threaten security and stability of the Horn of Africa: "Even without toppling the TFG, al-Shabaab has already achieved a major objective by securing a territorial base from which like-minded militants and terrorists can carry out attacks elsewhere, especially against targets in the Arabian Peninsula as well as participating in the current violence against Somalis,".

VOA: standard.2009.06.26