Here's what scientists think happened, oh, about a hundred million years ago.

科学家们如是说：约一亿年前，有这么一个三恒星系。

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What scientists think is that the earth was different because of the arrival of small plants growing in the water on its surface.

科学家们认为，地球之所以不同是由于生长在地球表面的水中的小型植物的存在。

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"What do scientists you've spoken with think about that?"—"Well, to begin with, they doubt it's going to work."

“和你交谈过的科学家们对此怎么看？”——“噢，首先，他们怀疑这是否会奏效。”

《柯林斯英汉双解大词典》

If babies are like--If babies also think it shouldn't happen, they might look longer, and essentially what happens is scientists do magic tricks to explore this very thing.

如果婴儿也觉得该事物出乎意料,那么他们会注视的更久,基本上科学家们,就是通过魔术技巧来进行研究

耶鲁公开课 - 心理学导论课程节选

But through using this sort of computer generation, and then asking people what they think of this face, what they think of that face, scientists have come to some sense as to what really makes a face attractive, both within cultures and across cultures.

但是通过使用电脑合成,然后问人们,他们觉得这个长相如何,那个长相如何,科学家多少了解到,怎样才算是迷人的面孔,无论是在一种文化下还是跨文化的

耶鲁公开课 - 心理学导论课程节选

That is the level which would essentially mean the world warms another 2 degrees, what scientists think of as dangerous, he said.

NPR: Experts: CO2 Record Illustrates 'Scary' Trend

What do modern lightning scientists think: Could Ben really have downloaded electricity?

FORBES: Magazine Article

And what if the world warms at least 2C, which most scientists think likely - or 4C which the World Bank thinks probable on current trends.

BBC: Flooding in York