Mr.Zelaya announced his return to Tegucigalpa on Monday, three months after he was seized by security forces and taken out of the country by airplane.

VOA: standard.2009.09.22

So the problem here, roughly, is given, a number of cities, and say the cost of traveling from city to city by airplane, what's the least cost round trip that you can find?

基本上就是一个这样的问题,你被告知了一些城市,以及在城市之间坐飞机旅行的花费,那一条是你们能找到最短往返路径？

麻省理工公开课 - 计算机科学及编程导论课程节选

But I think this is rather an implausible suggestion because, of course, you could have these glorious views just by going up in the airplane and looking down from the safety of your airplane.

但我认为这是个似是而非的建议,因为，当然，你可能只是坐飞机向上飞,并安全地向下看,就会有这些迷人的视野。

耶鲁公开课 - 死亡课程节选

You might see a war movie in which an airplane has been hit by rocket fire.

VOA: special.2010.04.18

The devices would have been assembled in airplane toilets and detonated by suicide bombers.

VOA: standard.2009.09.07