I had not really had a conversation with a person who was out as lesbian or gay before I was in college.

在上大学以前,我从未真正地和一个,出柜的同性恋谈过话。

普林斯顿公开课 - 人性课程节选

I used to live in London, so I've been before.

我曾经住在伦敦，所以，我以前来过。

科芬园的氛围 - SpeakingMax英语口语达人

Up on the screen, I've got-- I commented it out, but I've got a piece of code that you've seen before, right up here. OK?

我现在在大屏幕上标出来的,是你们以前看过的一段代码,就在这儿？

麻省理工公开课 - 计算机科学及编程导论课程节选

We're exposed to things that might cause cancer where weren't exposed to them before and so that might be a reason.

我们暴露于可能致癌的物质中,这些物质在以前是没有的,这可能就是原因之一

耶鲁公开课 - 生物医学工程探索课程节选

He is courting poetic fame more shamelessly at this point in his career than he has before and perhaps that he will after.

在这个时候，他比以前或是以后都更加厚脸皮的渴求,作为诗人的名望。

耶鲁公开课 - 弥尔顿课程节选

That doesn't come out of what we calculated before in thermochemistry.

我们以前在化学热力学中所计算的量,无法告诉我们这些。

麻省理工公开课 - 热力学与动力学课程节选

Whatever the rules were before, they're off when we get into the Peloponnesian War.

无论以前的规则是怎样的,在伯罗奔尼撒战争中都不再合时宜

耶鲁公开课 - 古希腊历史简介课程节选

So, Lewis structures are really a model for a way to think about what the valence electron configuration is, and as I said, it's not based on quantum mechanics, it's something that Lewis observed far, far before quantum mechanics were discovered.

路易斯结构实际上是一个用来考虑价,电子排布的模型，而就像我说的，它并不以量子力学为基础，而是路易斯在以前发现的,在量子力学出现很早前。

麻省理工公开课 - 化学原理课程节选

Now we worked through this just a little bit once before.

那我们比以前在深入一点

耶鲁公开课 - 聆听音乐课程节选

Now the added sugar before, does anybody remember from the Eaton article how ancient humans added sugar to things?

在糖类出现以前,有谁还记得伊顿的一篇文章是谈论,祖先是如何在食品中添加糖类

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This had never happened in an English class before.

这种情况在以前的英语课上从来就没发生过！

耶鲁公开课 - 文学理论导论课程节选

How many of you have heard the term used before? How may have you heard the term used before in terms of programming languages? Great. For the rest you, don't sweat it. This is a highfalutin term that computer scientists use to try and make them look like they're smarter than they really are.

这里就要引入递归的概念了,你们中有多少人以前听过这个词？,你们中有多少人在编程语言中,用过这个词？,很好，剩下的同学也不要担心,这是电脑科学家们用来让自己,显得更聪明的夸张词汇。

麻省理工公开课 - 计算机科学及编程导论课程节选

His view is man was happy and good before the invention of society, which society corrupts man and takes away from him his happiness.

他认为在社会形成以前,人类是幸福快乐的,社会使人类堕落并剥夺了人们的幸福

耶鲁公开课 - 古希腊历史简介课程节选

We said before that in Western music we have musical notation.

我们以前说过,在西方的音乐里有音乐记谱法

耶鲁公开课 - 聆听音乐课程节选

I wanted to introduce it to you so that if you don't haven't heard about this before you might want to read a little bit about this before we get to Chapter 5.

我想给你们介绍一下细胞膜,所以如果你没有,以前没听说过这个的话,也许你在学到第五章之前,要读一点关于这些的文献

耶鲁公开课 - 生物医学工程探索课程节选

The Christian Church might have stepped into the breach and imposed obedience and uniformity, because before terribly long, all of the West had been Christianized.

这时基督教试图接管国家,宣扬服从和统一的思想,因为很早以前,基督教在西方就根深蒂固了

耶鲁公开课 - 古希腊历史简介课程节选

The other main difference that we're really going to get to today is that in multi-electron atoms, orbital energies depend not just on the shell, which is what we saw before, not just on the value of n, but also on the angular momentum quantum l number. So they also depend on the sub-shell or l.

我们今天要讨论的,另一个很重要的区别就是,在多电子原子中，轨道能力不仅仅依赖于，我们以前看到的外层，不仅仅依赖于n的值，而是与角动量量子数也有关系,所以它们也依赖于亚外层或者。

麻省理工公开课 - 化学原理课程节选