An advisory committee of the Centers for Disease Control and Prevention said there are five groups that should be vaccinated first.

VOA: special.2009.08.18

During the lunch of the first day, their project groups were assigned eating, so we asked them to sit together over lunching beginning to develop their pool getting to know each other.

在第一天的午饭时间，项目组的同学一起吃饭，我们要求他们坐在一起,形成自己的圈子,并相互了解。

麻省理工公开课 - 媒体、教育、市场课程节选

Two and two things along mattered in terms of determining who will be the extraordinarily successful and the rest: the first thing was the extraordinarily successful groups really believe in themselves.

只有两件事会决定谁会成为格外成功的人,和其余的人上有关系：,第一是那部分人真的相信自己。

哈佛公开课 - 幸福课课程节选

But other groups, like the America First Committee, demanded that the United States stay out of another bloody European conflict.

VOA: special.2011.05.12

But one of the first groups to support the administration was the Pharmaceutical Research and Manufacturers of America.

VOA: special.2009.08.14

The two groups were retested four years later, and the study compared the results with the first test.

VOA: special.2009.10.21

In nineteen forty-seven, eight theater groups showed up uninvited to the first Edinburgh International Festival.

VOA: special.2009.08.05

A battle followed, first involving local armed groups and then the United States Marines.

VOA: special.2009.11.06

This is the first time it will recognize the work of nongovernmental groups.

VOA: special.2010.06.22

"For the first time ever we have the chance to put al-Qaida and related groups between a hammer and an anvil,".

VOA: standard.2009.10.21

Rights groups and aid organizations were the first to report as many as 3,000 ethnic Karen villagers fled from Burma to Thailand, in the past week.

VOA: standard.2009.06.09

This is the first time the alliance of more than a dozen militant groups with links to al-Qaida has claimed responsibility since its former leader Baitullah Mehsud was reportedly killed in a U.S.missile strike.

VOA: standard.2009.09.26

The convention sets out for the first time the obligations of both African states and armed rebel groups to prevent displacement and to provide basic rights for those who are uprooted by wars and natural disasters.

VOA: standard.2009.10.23