But if ever you succeed in seeing the painting as people saw it in centuries past, you will discover something astounding: the Mona Lisa looks entirely different from what we have been led to believe.
但是如果你能够成功地用过去几个世纪来人们看这幅画眼光去看，你会有惊人的发现。你会发现一个与我们一直以来想当然，被引导认识完全不同的蒙娜丽莎。
This book is a narrative history of climatic shifts during the past ten centuries, and some of the ways in which people in Europe adapted to them.
这本书讲述了在过去十个世纪中气候变化的历史，以及欧洲人适应气候变化的一些方式。
The conviction that historical relics provide infallible testimony about the past is rooted in the nineteenth and early twentieth centuries, when science was regarded as objective and value free.
19世纪和20世纪初，人们确信历史遗迹可以为过去提供可靠证明，而在当时，科学被视为客观的和毫无价值的。
Reconstructing the climate changes of the past is extremely difficult, because systematic weather observations began only a few centuries ago, in Europe and North America.
重建过去的气候变化是极其困难的，因为在欧洲和北美，几个世纪前才开始系统的天气观测。
This book, drawing on Icelanders' astonishingly detailed diaries and letters in past centuries, gives the outsider a rare glimpse into the past lives of an extraordinary people.
这本书通过借鉴冰岛人过去几个世纪惊人详细的日记和信件，使外来者对非凡冰岛人过去生活得以一瞥。
It is believed by some that experience of the past few centuries shows that major events in the first two decades usually determine or influence the direction of world history for a century.
有人说，过去的几个世纪里，往往头二十年的大事决定和影响着整个世界的历史走向。
In the past few centuries, the subduction zone off the coast of Sendai has generated earthquakes of up to magnitude 8 or so, but nothing as powerful as a 9, which releases 30 times more energy.
在过去的几个世纪里，仙台沿海地区的俯冲带发生的地震震级最大才达到8级，从未达到过9级，而这次地震释放的能量是8级地震的30倍。
More to the point, 480 of the 492 species made extinct since Roman times have disappeared in the past two centuries.
说得更具体点，从古罗马时代以来，在过去的两个世纪里，492个品种中已经有480种灭绝了。
A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well.
一项研究发现，过去几个世纪已经宣告灭绝的哺乳动物中有三分之一其实都活得好好的。
This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the 'happy few' during the past centuries.
这说明，经过了多么漫长的时间之后，我们才认识到，有必要确保我们的孩子享有多少个世纪以来由‘少数幸运者’所积累起来的知识。
But of the changes in the media landscape over the past few centuries, those featuring digital media are potentially the most far-reaching.
过去数世纪，在媒体界所发生的这些变化中，数字媒体应是其中影响最为深远的。
In the past couple of centuries people have released quantities of fossil carbon that the planet took hundreds of millions of years to store away.
在过去的数百年间，人类排放了大量的化石中的碳，而这些碳在数亿年间都被地球储存了起来。
During the past couple of centuries, much of the world has experienced systematic growth in per capita incomes that has radically changed such expectations.
在过去的几个世纪里，世界上很多国家都经历了人均收入的持续增长，这也就从根本上改变了这种期望。
Nearly all Americans are descended from people who came from somewhere else in the past couple of centuries.
在过去几世纪里，来自世界各地的人们踏上这方乐土，几乎所有的美国人都是这些人的后代。
For much of the past two centuries the know-how that determines productivity and living standards has been concentrated in the West.
过去两百年里的大多数时候，决定生产率和生活水平的知识技术聚集在西方世界。
Rubin, the daughter of a window cleaner and housewife from New Jersey, already had experience in writing about an Italian luminary from centuries past.
鲁宾，一个新泽西的擦窗工人兼家庭主妇的女儿，在写作方面已小有经验，她曾写过一本关于几个世纪前的一位意大利大师的书。
Compare this number to the 100, 000 tigers that lived in India in 1900 and you can see just how drastically things have changed in the past two centuries.
与1900年生活在印度的老虎数量——100000只相比，你就可以清楚的看到在过去的两个世纪我们的世界发生了多么大的变化！
In ancient Greece income grew at between 0.07% and 0.14% per year-outstanding by the standards of all but the past three centuries.
在古希腊，年收入的增幅在0.07%到0.14%之间，除去最近的三个世纪，无论从哪个年代来看，这一增幅都是出色的。
If you believe the chain emails that are going around, this Friday, Saturday and Sunday are like none other in the past eight centuries.
如果你相信那些在各传来传去一大批电子邮件里的话，那么你就会相信在今年7月份里出现的5个星期五、星期六和星期日的连续排列似乎在过去800多年里所没有过的。
This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the 'happy few' during the past centuries.
这说明，经过了多么漫长的时间之后，我们才认识到，有必要确保我们的孩子享有多少个世纪以来由“少数幸运者”所积累起来的知识。
It is the standard British accent that has drastically changed in the past two centuries, while the typical American accent has changed only subtly.
在过去的两个世纪，标准的英国口音已发生巨大变化，而典型的美国口音则只有微妙改变。
It is the standard British accent that has drastically changed in the past two centuries, while the typical American accent has changed only subtly.
在过去的两个世纪，标准的英国口音已发生巨大变化，而典型的美国口音则只有微妙改变。
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