These were some of the questions Charles Darwin asked himself over years of research in botany,zoology and geology.

VOA: special.2009.02.25

There's been a lot of work done on these over the years, but in fact, it's pretty hard to invent a good hash function. So my advice to you is, if you want to use something was a hash, go to a library. Look up a good hash function.

已经做过了很多的尝试和努力,但是事实是，很难发明出一个好的哈希函数,所以我给你们的建议是,如果你们想使用哈希功能,到函数库中查找一个好的哈希函数。

麻省理工公开课 - 计算机科学及编程导论课程节选

How come these have risen above infectious diseases over the last several hundred years?

在过去的几百年中,它们的致死率是如何超过感染性疾病的的

耶鲁公开课 - 生物医学工程探索课程节选

But over the years, many have dropped these requirements.

VOA: special.2009.10.22

But first of all I wanna welcome you to the Inner Core and I want to say just by introduction how inspiring it has been to work with you over these last years since I've been here. You were part of the group that hired me and I thank you so much for that.

首先，我想欢迎您来到人性讲堂,我想说,仅仅为介绍之便,自从我来到普林斯顿大学以来,近年来跟您的合作是多么的激励人心,当初雇用我的小组里，您正是其中一员，非常感谢您。

普林斯顿公开课 - 人性课程节选

These musicians had performed together over the years.

VOA: special.2009.02.06

What he's saying here is the following: "What we have learned over fifty years is that the disease model does not move us closer to the prevention of these serious problems.

他是这么说的：,“五十多年的经验告诉我们，疾病模型,不能让我们更有力地预防,这些严重问题。

哈佛公开课 - 幸福课课程节选

Most of that is coming from Vietnam. The highest year that the US shipped rice, over these last 10 years,was in 2004;

VOA: standard.2010.07.29

Michael Jordan did fast food companies, kobe Bryant, and then you of course get all the cartoon characters like Sponge Bob and other things that over the years have been associated with a number of these products, so that--those attachments are very important. Yes?

迈克尔·乔丹为快餐店代言,还有科比·布莱恩特,当然,还有那些卡通角色,像海绵宝宝等其它角色,多年以来,它们都与,一系列产品紧密联系,所以这些联系是十分重要的,对吧

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

These iconic household goods have changed over the years, from wristwatches, radios and bicycles, to refrigerators and televisions.

VOA: standard.2009.09.28

So I'm just guessing, having been in a few of these things over the years, that by the end of the semester, or certainly by the end of the school year, the state of the average Yale dorm room is quite disgusting.

我看啊,因为我也念过大学,期末或年末的时候,耶鲁大学多数寝室会挺脏乱的

耶鲁公开课 - 博弈论课程节选

"We had about over 2000 oysters deployed in our farm and these are the result of over 10 years worth of research and we moved the oysters to Rockefeller Refuge."

VOA: standard.2010.07.13

You can imagine that there are many requirements that a device like this has to meet in order for it to be a good artificial hip and we'll talk about those and how the design of these has changed over the years and what we can expect in the future.

你可以想象,这种装置对技术要求极高,这样它才能成为,一个好的人工髋关节,我们会讲到这些,以及这些年来这项技术的设计有哪些改进,在未来会有怎样的创新

耶鲁公开课 - 生物医学工程探索课程节选

Physicians over the years of having this instrument have learned how to be very sophisticated about looking at these pictures and diagnosing when something is wrong inside the chest, for example.

这些年来,使用这类设备的医生,已经熟练地掌握了,通过看这些X光片,来诊断,胸部疾病的方法

耶鲁公开课 - 生物医学工程探索课程节选