Readers can better understand how informed consent and the question of morality in medical experiments have changed over time.

VOA: special.2010.07.21

Are they beginning to have basic assumptions changed over the last 50 years? I guess, well, 60 years now?

他们承担的基本责任是否正在改变？,经历了过去的50年，哦不，60年直到现在？

普林斯顿公开课 - 人性课程节选

So, you know, it has changed a lot since, I guess, over the last ten years or so,

所以，大概是在过去的十年里，我想，它变了很多，

关于有机农场食品 - SpeakingMax英语口语达人

This week,our subject is mothers and how their image has changed over the years in film and television.

VOA: special.2009.05.04

Now,that has changed, for sure; but,the centralization of the French government and the domination of Paris over the life of the nation is very difficult to change, over a long period of time.

现在,情况已经发生了改变,但是法国政府的中央集权化,以及巴黎在国民生活中的支配地位,在相当时间段内,都很难得以改变

耶鲁公开课 - 1871年后的法国课程节选

It cannot be changed. The expression comes from the idea that water that has fallen over a dam cannot be brought back again.

VOA: special.2009.05.10

And it's changed a bit over the last five to ten years. And now it's been gentrified.

在过去的五到十年里，这儿有了一些小变化，现在这儿改善得不错。

这里不危险 - SpeakingMax英语口语达人

But over the years, the sign changed from the eye of Horus to the sign for Jupiter, the chief god of the Romans.

VOA: special.2009.03.22

Well, it's definitely changed over the years.

这些年它的变化很大。

联合广场的变化 - SpeakingMax英语口语达人

And he said her pioneering work for social and scientific improvements changed the lives of millions of developmentally disabled people all over the world.

VOA: special.2009.08.23

So right in the packaging of this novel that we have today this cover has changed over time nevertheless, even today, that very Catholic iconography is right on the front of the cover.

所以对于我们的这本书,虽然封面随着时间一直在改变,但是即使是今天，天主教的肖像画依然,出现在了封面的中央。

耶鲁公开课 - 1945年后的美国小说课程节选

He changed it. Lincoln ordered Vallandigham to be turned over to the Confederate army.

VOA: special.2009.10.29

But I want to give you at least some sense of the development of the pro-slavery argument, the kinds of arguments that were used, how they changed over time, who made the arguments.

但我至少想提供给你们一些,支持奴隶制方的论据,他们曾经用来论证的一些理由,是如何随着时间的推移而改变,又是谁提出了这些理由

耶鲁公开课 - 美国内战与重建课程节选

Elizabeth Custer believed the name changed over time to mean the soldiers themselves.

VOA: special.2010.03.07

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

Over the years, the kinds of criminals on the list have changed.

VOA: special.2010.05.05

Over the years, Loisaida has changed.

VOA: special.2009.04.27

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

VOA: standard.2009.09.28

and that social norm is just something that's changed over time." And people share a lot.

VOA: standard.2010.07.23

But the look of this commercial zone has changed over the last three years.

VOA: standard.2009.12.20

And things have changed over the last generation or two.

VOA: standard.2010.07.14