They are known as Asian Carp and the explosion of their population in the Illinois River is a concern to large-river ecologist Kevin Irons.

VOA: standard.2010.07.20

You have to test it by giving the vaccine to a large population of people, and then watching and seeing if you've reduced the incidence of the disease.

这样的测试的做法只能是,给大量人群分发疫苗,接着观察和了解,这种疾病的发病率是否有所降低

耶鲁公开课 - 生物医学工程探索课程节选

Winston- Salem is, has a large growing Hispanic population,

那就是来自温斯顿-塞勒姆的拉美裔人群不断增加，

帮助多文化的家庭 - SpeakingMax英语口语达人

"Of course we are aware of the civilian population, of a large number of people in the area in and around the Swat Valley."

VOA: standard.2009.06.17

You're not intervening with people, you're observing usually large numbers of people in a population.

不干涉他人生活,只是观察一个人群中的许多个体

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He stressed its role as a bridge between cultures, and its unique position as a large secular democracy with a 99 percent majority Muslim population.

VOA: standard.2009.04.06

Northern Italy has a large percentage of the population who are middle class.

意大利北部有很大比例的中产阶级

耶鲁公开课 - 欧洲文明课程节选

"You have a very large population of people stuck inside a combat area serving as a buffer between an impending government assault and Tamil Tiger resistance.

VOA: standard.2009.04.26

All the sick people will come to you to buy life insurance and they will turn out to have a higher death rate than the population at large.

所有生病的人都会向你购买人寿险,而他们比普通人群,有着更高的死亡率

耶鲁公开课 - 金融市场课程节选

"Prevention of HIV among young people is of critical importance in this country where a large part of the population is young, and where sexual relations start very early and they are not protected.

VOA: standard.2009.04.24

That explains, in large part, why there was such a decline in population, why the Dark Ages were so dark, lots of poverty, lots of starvation, but also, as I suggested when I spoke of this earlier, also the freedom if you could make it, to learn and also to grow stronger.

这解释了,在绝大部分地区,为什么存在着这一类的人口消减,为什么黑暗时代如此黑暗,如此贫困,如此多的饥荒,但是同时,就如在我之前所提到的,同样可以,如果做得到的话,去学习以及使自身强大

耶鲁公开课 - 古希腊历史简介课程节选

The plan has stirred opposition in Englewood, which has a large Jewish population and which is near the homes of some family members of Americans killed in the 1988 airliner bombing over Lockerbie,Scotland, for which Libya accepted responsibility and paid compensation.

VOA: standard.2009.08.24