The pyramids of Egypt were built more than three thousand years ago, and no one knows how.

埃及金字塔是3000多年前建造的，而且没有人知道是怎么建造的。

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Sites like Twitter, with postings of no more than 140 characters, are creating and reinforcing the habit of communicating in micro-bursts.

像 Twitter 这样发帖不超过140字的网站，正在培养和加强人们用简短文字进行沟通的习惯。

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Overall, the study found half the films and TV shows had no Asian speaking characters and more than one-fifth of them had no black characters with dialogue.

总的来说，研究发现一半的电影和电视节目中没有设置有台词的亚洲角色，超过五分之一没有设置有对话的黑人角色。

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And he said men of Ohio who let themselves be drafted into the Union army were no better than slaves themselves.

VOA: special.2009.10.22

No, OK and that's correct, because each photon of light actually has more energy than is needed to eject an electron.

没有，好，对了，因为每一个光子实际上,都有更多的能量去逐出一个电子。

麻省理工公开课 - 化学原理课程节选

Poetry, you remember--this is a scientist-- is no more true than religion, but it can perform the function of religion and is therefore capable of saving us.

科学家曾说过-,诗歌并不比宗教更真实，但是诗歌具有宗教的作用,并因此可以拯救人类。

耶鲁公开课 - 文学理论导论课程节选

They have 12-member boards drawn more from private business than from local councils, and staffs of no more than 100 drawn mostly from agencies being subsumed into the new set-up.

ECONOMIST: An England of regions | The

Of those six children, no more than three may be under five years of and of those three children, normally no more than two may be under 18 months of age.

BBC: Nursery ratios raised 'to improve standards'

No more than 4, 000 IU of vitamin D should be consumed daily and no more than 2, 000 mg of calcium.

CNN: Do vitamins help against type 2 diabetes?