But a scientist from NASA says greenhouse gas emissions, which are given off by human activity, are responsible for warming temperatures in the long-term.

但是美国国家航空航天局的一名科学家表示，人类活动造成的温室气体排放是导致气温长期变暖的原因。

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Change is a part of life, but rapid change, says scientist George Woodwell, is the enemy of life.

变化是生活的一部分，但科学家乔治·伍德维尔说，迅速的变化就是生活的敌人。

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Yuan was not only a great scientist but also a talented man.

袁先生不仅是一位伟大的科学家，也是一位有才华的人。

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But Nobel Prize-winning scientist David Baltimore says the team created only a representation of real life.

VOA: special.2010.07.20

He says,But because I'm a generous mad scientist, before I torture you,what I'm going to do is give you amnesia.

但因为我是宽厚的疯狂科学家，在折磨你之前，我会先让你失忆。

耶鲁公开课 - 死亡课程节选

But because I'm a generous evil mad scientist, I want to ask you which one should I torture?

但因为我是个宽厚的邪恶疯狂科学家，我要征求你的意见，我该折磨谁？

耶鲁公开课 - 死亡课程节选

The cardiovascular and respiratory divisions never spoke much to one another, but a scientist in the Canadian cardio group borrowed an experimental asthma drug that managed to eliminate the severe hot flashes caused by niacin.

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And the third is that his training in college was not as an artiste but as a scientist.

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Curiosity may be a robot, but it acts like a scientist: always skeptical, running experimental controls, double and triple checking every result.

CNN: Curiosity opening Martian frontier?