The round stone structure honors people from the District of Columbia who died in World War One.

VOA: special.2009.05.25

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

and then, from there, well yeah, have another round or so, and then yeah, you get an internship for the summer.

然后经过一或更多轮的赛选，你就可以找到暑期实习了。

实习生到正式员工 - SpeakingMax英语口语达人

The final round was hosted by Alex Trebek, best known for hosting the television game show "Jeopardy!" Arjun Kandaswamy from Oregon won second place.

VOA: special.2009.05.29

I just wanted to get her on the subway and she, too, she did mention I want a round trip, she wants to be able to come back from Park Street Station so where is the option that just says one way or round trip?

我只想让她乘上地铁，她也是，她提到她想要一个环形旅行，她想,从Park，Street地铁站返回，但是哪里有一个选项,来说明是一个单线的还是环线的？

哈佛公开课 - 计算机科学课程节选

Site manager Maggie Pons says in two years the plot has grown from a garden into a year-round farm.

VOA: standard.2010.03.10

As the president began his latest round of appearances to push health-care reform, he got some good news from Capitol Hill.

VOA: standard.2009.07.29

He said he has a commitment from the Afghan election commission that officials involved in fraud during the first round will not be hired for the runoff.

VOA: standard.2009.10.23

Reports from the first round of voting detailed a number of violent attacks by the Taliban, including rocket fire and the amputations of ink-stained fingers on voters' hands.

VOA: standard.2009.10.24

The president did not refer to a new round of threats from the pirates, who say they want revenge for the killing of three of their own in the rescue operation.

VOA: standard.2009.04.13

The Spanish picked up the pressure in the second half, but were unable to find their way through the U.S.defense, which was bolstered by the return of captain Carlos Bocanegra, who was missing from first round matches with a hamstring injury.

VOA: standard.2009.06.24