Eduardo Rojas is assistant director-general of F.A.O.'s Forestry Department.

VOA: special.2010.04.06

That's why I hope you'll stay with-- you'll each find a teaching assistant and will stay with that person.

这就是为什么我希望...,你们每人都找一位助教,和他多交流

耶鲁公开课 - 金融市场课程节选

He said--his assistant said it might even be 7:00 p.m., so that's the way he works.

他助理说也可能会是晚上七点,这是他的工作方式

耶鲁公开课 - 金融市场课程节选

Last month, Acting Assistant Secretary of State for Western Hemisphere Affairs Bisa Williams became the highest-ranking U.S.official to visit Cuba in several years.

VOA: standard.2009.10.28

During a press briefing in Washington, Assistant U.S.Secretary of State Philip Crowley urged the interim Honduran government to accept a Costa-Rican brokered plan that would reinstate Mr.Zelaya.

VOA: standard.2009.09.03

Standing outside the Pentagon Monday in front of one of the hulking desert sand colored new vehicles designed to protect against those bombs, Assistant Secretary Carter extolled the M-ATV's virtues.

VOA: standard.2009.11.02

But those days are apparently over. The head of the U.S.delegation, Assistant Secretary for International Organization Affairs Esther Brimmer, told the 47-member Council the United States will work with other nations to forge common ground to protect and advance human rights.

VOA: standard.2009.09.14