Sharks play an important role in the food chain.

VOA: special.2009.04.03

So the link of the conflict will play a stronger role in making the humanitarian issues more important.

因而冲突的纽带将会发挥更大的作用,使得人道主义问题更加重要。

普林斯顿公开课 - 人性课程节选

For the parents to play an active role in their kids' lives,

对家长而言，在孩子的生活中扮演积极的角色，

重要的是家庭教育 - SpeakingMax英语口语达人

president has done so. He told the council that the United Nations has a "pivotal role to play" in preventing a nuclear crisis.

VOA: standard.2009.09.24

So although holiness derives from god, humans have a crucial role to play in sanctification, in sanctifying the world.

尽管神圣源于神灵，人类在将世界神圣化的过程中，扮演者重要的角色。

耶鲁公开课 - 旧约导论课程节选

Finally,there's a section that talks more about the unsolved mysteries and particularly the role that the Large Hadron Collider would play in that."

VOA: standard.2010.03.05

For all students, what we want to do is we want to give you an understanding of the role computation can and cannot play in tackling technical problems.

对所有学生来讲，我们想做的就是,给你们关于计算在能否解决技术问题中,所扮演角色的,认识。

麻省理工公开课 - 计算机科学及编程导论课程节选

Older mothers are known to face increased risks for having children with genetic disorders, and genes are thought to play a role in the entire autism spectrum.

VOA: standard.2010.02.10

So although the New Critics were fed up with philological criticism, I don't mean to be condescending toward it or to suggest that it didn't play a crucially important role in the evolution of literary studies.

所以，虽然新批判主义,对语言学批判主义不满，但是并不是要否认语言学批判主义,在文学研究发展过程中,起到的重要作用。

耶鲁公开课 - 文学理论导论课程节选

Former footballer and Deputy General-Secretary of the Union, Thulaganyo Gao Shubelwe, says footballers can play a positive role in conveying the safe-sex message because of the aura surrounding them.

VOA: standard.2010.05.29

In the context of what had happened, what role should America play in the world, going forward.

面对现在发生的一切，美国今后在这个国际大舞台上该怎样做呢。

普林斯顿公开课 - 国际座谈会课程节选

The Boston University researcher says this kind of analysis could play a role, not just in predicting who will live longest, but in actually helping people live longer and healthier lives.

VOA: standard.2010.07.14

I think the answer is that both play a role but some of the effects are due to stereotypes above and beyond in-group favoritism.

我想两者都有,但刻板印象的影响,要高于组内偏爱。

耶鲁公开课 - 心理学导论课程节选

She says the pictures could play a role but one would have to be in a predisposed state then one may see the morbid murals with very different eyes, which could adversely affect someone.

VOA: standard.2010.07.10

Because these things are unpaired, we have already seen how unpaired electrons play a role in the Stern-Gerlach experiment.

因为它们都是未成对的，我们已经发现,在Stern-Gerlach实验中,未成对电子扮演怎样一个角色了。

麻省理工公开课 - 固态化学导论课程节选

At the ASEAN summit in October, Burma's prime minister indicated they could lift some restrictions against the detained Nobel prize winner and allow her to play a role in the country's political reconciliation if she behaves.

VOA: standard.2009.11.02

I think engineers have a role to play in that, but it's not sort of classical Biomedical Engineering in the way that developing an artificial heart is where you can see that.

我认为工程师们,在其中扮演了重要角色,但它又不像传统生物医学工程那样,去研究人造心脏之类,实实在在的东西

耶鲁公开课 - 生物医学工程探索课程节选

"Because cardiovascular death is the number one cause of death in the world, not just in developed countries, but throughout the world, the role that air pollutants play on this has a tremendous effect on overall world mortality."

VOA: standard.2010.08.04

And the schools play a major role in this and thus all these kids who grew up speaking patois or Provencal or Gascon-- I forgot Gascon, around Bordeaux, they can sing the Marseillaise in acceptable French as they march off to be slaughtered.

在这里面学校扮演了主要角色,所以这些说着,方言或者普罗旺斯语或者加斯科涅语的孩子们,我把加斯科涅语忘了,在波尔多附近,他们操着勉强能接受的法语唱着马赛曲,上前线等待被屠杀

耶鲁公开课 - 1871年后的法国课程节选

"We are not backing away. We are going full steam ahead with our programs in Iran and across the region,again in order to create that space for civil societies to actually play the proper role that we would all understand in building more accountable democratic governing institutions,".

VOA: standard.2009.10.28

Again, this is just his personal ambivalence about who he was, and his uncertainty about the role that he had in his own family So, this was a play-acting that was part of his life.

这也表明他对自己的身份的矛盾,以及自己在家庭中的角色的不确定,所以,这种角色扮演成为他生活的一部分

耶鲁公开课 - 欧洲文明课程节选

Though funding from the IMF,the World Bank, the United States and other donors has made it possible to subsidize treatment and prevention methods in Africa, Dr.Rwagacondo says that local governments also have a key role to play in mobilizing their populations and eradicating malaria in the long term.

VOA: standard.2009.04.25

This of course brings us to the issue of "gaps" and the role that they play in the act of reading as Iser understands it.

这理所当然地把我们引到了“间隙“的问题上“,以及照伊瑟尔的理解,间隙在阅读中起到的作用。

耶鲁公开课 - 文学理论导论课程节选

So the book is really an effort to answer what role America should play in the world.

这本书事实上是在试图,回答美国在世界这个大环境中应该扮演怎样的角色。

普林斯顿公开课 - 国际座谈会课程节选

Mechanisms like habituation, classical conditioning and operant conditioning are real; they can be scientifically studied; and they play an important role in the lives of animals and probably an important role in human lives as well.

诸如习惯化，经典条件作用，操作性条件作用之类的机制,都是真实存在的;,这些机制都能得到科学的研究;,它们在动物的生活里起到了重要的作用,或许在我们人类的生活中,也同样起到了重要的作用。

耶鲁公开课 - 心理学导论课程节选

This almost certainly is not the right story but again, just as in phobias, some ideas of classical conditioning may play some role in determining what we like and what we don't like sexually.

这个解释肯定是错的,但是，与在恐惧症中的作用相同，经典条件作用,或许对我们在性活动方面的喜恶,起着一定的决定作用。

耶鲁公开课 - 心理学导论课程节选