The team of students and research volunteers set off on a three-week boat trip to examine the area.

VOA: special.2009.09.22

And the human rights idea came into sort of complete the three-pointed set of interests.

而人权的观点最终在某种程度上,使我的研究方向形成三足鼎立的状况。

普林斯顿公开课 - 人性课程节选

He set new records when he flew his own airplane around the world in nineteen thirty-three.

VOA: special.2009.03.18

(Sound) According to state-run Press TV, a three-member committee has been set up to work out the details.

VOA: standard.2009.11.16