But before I tell you about lab experiments let me tell you about the most famous field experiment on this idea.

但是，在此之前,让我告诉你们关于这个观点最著名的现场试验。

耶鲁公开课 - 心理学导论课程节选

Before that, diabetics had been treated with insulin that came from a different source, usually from pigs, so by harvesting and purifying insulin from pig pancreas.

在此之前 糖尿病患者,所用的胰岛素来自于不同的来源,通常是从猪身上提取的,是从猪的胰腺中提取并纯化而成的

耶鲁公开课 - 生物医学工程探索课程节选

I should have also mentioned another really important information technology that developed in the nineteenth century was the Postal Service, although we had mail before then.

我应该也提到过,另一个产生于19世纪的,非常重要的信息技术,就是邮政服务，虽然我们在此之前就有信件往来。

耶鲁公开课 - 金融市场课程节选

Christianity began as a persecuted religion that ultimately captured the Roman empire only after centuries of hostility towards the Empire, towards Rome, towards the secular state in general.

基督教最初作为被迫害的宗教,最终征服了整个罗马帝国,而在此之前,它经过了数世纪,对帝王对罗马以及,对整个世俗世界的反抗

耶鲁公开课 - 古希腊历史简介课程节选

But very nicely, is quite elegent structure this point, Socrates puts toghther the two arguments that we just been rehearsing, the argument from recollection and the argument that came before that, the one that I dubbed the argument from recycling.

但是这一观点的结构非常精妙,苏格拉底把我们刚才演练的,两个论证放在一块，即源于记忆的论证,和在此之前的论证，就是被我称作源于轮回的论证。

耶鲁公开课 - 死亡课程节选

One of the things he does, and I guess this is one of the things to be put in neon from this lecture, is he opens up Russia, which had no secular influences at all, to western ideas.

他的成就之一,我想这也是今天讲座的重点之一,就是他将西方思想引入俄国,在此之前 俄国没有受到任何外界世俗的影响

耶鲁公开课 - 欧洲文明课程节选

So, if you were to lose half your brain, the other half can actually do a lot but some things are more prevalent and more powerful in one part of the brain than the other And I want to show you a brief film clip from "Scientific American" that illustrates the differences between the hemispheres, but before doing that,I want to provide some introductory facts.

如果你失去了半个大脑,另外一半其实也可以完成很多功能,但是某些功能是存在单侧化优势的,我给你们播放一段短片,来自于《科学美国人》,它解释了大脑两半球的功能差异,但在此之前,我想先做一些介绍

耶鲁公开课 - 心理学导论课程节选

Before that no word was needed because there was no such thing.

在此之前,没有这个词,因为这是前所未有的

耶鲁公开课 - 古希腊历史简介课程节选

He found it and it was the excavation of the site of Mycenae which was soon followed by the excavation of other sites from the same period that made it possible for people to talk about this culture, even before they could read the script.

他找到了迈锡尼城,并且这次的挖掘之后,又引发了一轮对于,同时期其他遗迹的挖掘活动,而这也让人们在破解他们的文字之前,有了探索此文明的可能性

耶鲁公开课 - 古希腊历史简介课程节选