Dr.Claude-Emile Rwagacondo is West Africa coordinator for the Roll-Back Malaria Campaign.

VOA: standard.2009.04.25

You have to find the place,then,roll it all back up.

找到之后看完还要卷起来。

耶鲁公开课 - 新约课程节选

Berman says the legislation would be only one point of pressure on Iran to roll back its uranium-enrichment program, which the United States believes is aimed at producing a nuclear weapon.

VOA: standard.2009.10.28

wants to roll back Pakistan's nuclear program."

VOA: standard.2010.07.08