我们曾告诫过他们，但没起任何作用。
他们正寻求在国家能源政策方面起中心指导作用。
They are seeking a central, directive role in national energy policy.
他赞扬了她在反对种族隔离制的斗争中所起的作用。
艺术家们与其他文化工作者一起发表政治声明，并在将这些声明推向公众方面发挥了关键作用。
Artists joined other cultural workers in making political statements and played a key role in taking these statements to the public.
人们提出了许多理论来解释食草动物，如浮游动物，在控制浮游植物高度集中地区的食草动物方面所起的作用。
Many theories have been formulated to explain the role of grazers such as zooplankton in controlling the excluded grazers from regions of high phytoplankton concentration.
我真的认为一场咨询不会起什么作用。
I really do not think that an inquiry would serve any useful purpose.
我们中大多数人都会认为，外表的魅力在我们待人接物方面并不起主要作用。
Most of us would maintain that physical attractiveness does not play a major part in how we react to the people we meet.
他们对自己在这次犯罪中所起的作用讲的绝非实情。
我不知道是什么起的作用，但是我确实觉得好多了。
I don't know what it was that did the trick, but I am definitely feeling much better.
在这种情况下，他的话起不了什么安慰作用。
流行的观点认为毒素只对脂肪团形成起很小的作用。
Current thinking suggests that toxins only have a small part to play in the build-up of cellulite.
树木起天然的保护作用，遮挡了阳光的照射。
他在制定经济政策方面曾起过很大作用。
我完全了解这项计划，可是不明白我能起什么作用。
I understand the plan perfectly, but I can't see where I come in.
核武器将来在北约的军械中会起较次要的作用。
Nuclear weapons will play a less prominent part in NATO's armoury in the future.
这一友好姿态对改善谈判的紧张气氛几乎没起什么作用。
This gesture of goodwill did little to improve the tense atmosphere at the talks.
这些数字理论上看来可能不错，但对岛民们却起不到安慰的作用。
These figures may look good on paper but are cold comfort to the islanders themselves.
这些团队论是任何一个还是全部一起，都能在制造或避免“数字诈骗”方面发挥重要作用。
Any or all these teams can play a role in creating or avoiding "digital deception".
直到最近，他们才认识到森林在碳存储方面所起的重要作用。
Only recently have they come to see the vital part forests will have to play in storing carbon.
通常情况下，农民会到达他们所做的事情起不了经济作用的地步。
Usually, a farmer will get to the point where financially, what they're doing is not working.
然而，近日的双胞胎研究帮助科学家们得出了一个全新的结论：先天和后天因素不是唯一起作用的因素。
Lately, however, twin studies have helped lead scientists to a radical new conclusion: that nature and nurture are not the only elemental forces at work.
把它们掺和在一起，并不像你想的那样好。因为一份最新的研究表明，某些维生素会阻碍运动发挥作用。
Put them together and it's not as good as you'd think. Because a recent study shows that some vitamins block the beneficial effects of exercise.
“如果你和其他人一起做这件事，它总是更有激励作用。”她说。
"It's always more of an incentive if you're doing it with other people," she says.
因为早期的地球大气中缺乏氧气，所以也缺乏起保护作用的臭氧层屏障。
Because early Earth lacked oxygen in its atmosphere, it also lacked a protective ozone barrier.
棉花在历史上最重要的意义是它在工业革命中所起的作用。
The most important thing about cotton in history is the part that it played in the Industrial Revolution.
对我来说，最终稍稍起决定性作用的是，这里的人们实际上跟我交谈了。
Sort of what tipped the scales for me was that like, people here actually talked to me.
现在，我们不想给你留下这样一种印象，即这三个组成部分总是完美地结合在一起，共同作用。
Now, we don't want to leave you with the impression that these three components always work together perfectly.
第一个和第三个可能是生物群落结构的关键因素；也就是说，所有的生物种群都生活在一起，并且它们可能在一个特定的区域内相互作用。
The first and the third can be key factors in the structure of a biological community; that is, all the populations of organisms living together and potentially interacting in a particular area.
事实上，欧盟正在起带头作用。
第三个阶段，也是最后一个阶段，是把整个建筑升到空中，这时船体也在下面起支撑作用。
The third and final stage was to lift the entire structure into the air, by which time the hull was also supported from below.
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