This is some of her advice: Before competition, extend your nightly sleep for several weeks to reduce a sleep debt.

VOA: special.2010.06.09

Milton wants to write an epic that in some ways comes before, or prevents, the great epics of Homer and Virgil.

弥尔顿想写一首在某种程度上先于，荷马和维吉尔伟大史诗的史诗。

耶鲁公开课 - 弥尔顿课程节选

And this happens right before you're about to go out to lunch with some friends.

你得知这消息后就和你的朋友们一起出去吃午饭了。

so that 课堂 - SpeakingMax英语口语达人

Some students work for a year or two in a medical or research job before they attempt to enter medical school.

VOA: special.2009.06.02

Well, let's just give a teaser of some of the details before we move on to actual interesting functionality.

在转去介绍,其他更实际有趣的知识前,我先让大家注意一个小细节。

哈佛公开课 - 计算机科学课程节选

Some may have been trying to get permits approved before building codes changed this month in California, Pennsylvania and New York.

VOA: special.2011.01.24

And these shapes of p orbitals probably do look familiar to you, most of you, I'm sure, have seen some sort of picture of p orbitals before.

这些ｐ轨道的形状你们可以能已经很熟悉了，我相信大部分人，都看过ｐ轨道的图片。

麻省理工公开课 - 化学原理课程节选

"Typically the real estate sector leads the economy in a recovery, meaning that it tends to pick up before some other things.

VOA: special.2009.12.18

And I want to talk briefly about each of these three parts of language before looking at some other issues.

在探讨一些其他问题之前,我想简单的讲一下语言的这三个成分

耶鲁公开课 - 心理学导论课程节选

Some schools require foreign students to pass an English speaking test before they are permitted to teach.

VOA: special.2009.01.29

Now, it's Milton's annotators who tell us that the word prevent means "to come before, to anticipate," and on some level it obviously means that and that goes without question.

弥尔顿的注解告诉我们阻止一词的含义,“在某人之前到达，预期“,从某种程度上说它就是那个意思，这毫无疑问。

耶鲁公开课 - 弥尔顿课程节选

Here are some questions to ask before making a decision: How much privacy can a student expect?

VOA: special.2009.03.26

We want you to have a sense of why some programs complete almost before you're done typing it.

一些程序你输入进去它,就能给出结果而另外一些,却要整夜整夜的跑。

麻省理工公开课 - 计算机科学及编程导论课程节选

Some educators and parents do not like the idea of sending students as young as sixteen off to college, before they may be socially ready.

VOA: special.2010.02.25

At the moment, I have to go through some of the more standard material before we go to the more non-standard material.

现在我将会讨论一些标准的形式,接着再去讨论一些不标准的形式

耶鲁公开课 - 基础物理课程节选

Some people may need to take medicines before they work hard or exercise.

VOA: special.2009.07.28

Before I begin, I want to just give some more thoughts about the diversification through securities and that will lead us into insurance.

在我讲课之前,我想让大家思考下,证券业的多元化,以便引入保险这一课题

耶鲁公开课 - 金融市场课程节选

As before,some of the Indians became angry and refused to wait any longer.

VOA: special.2010.04.01

So, before I get in to that, let me just give you some background.

所以，在那之前，我介绍一下背景。

耶鲁公开课 - 1945年后的美国小说课程节选

Some women are told to wait before trying to get pregnant again.

VOA: special.2010.08.11

It's often fanciful; it relates imaginatively events which it claims Happened in historical time, not in a primordial realm before time, And a myth is designed to explain some kind of practice or ritual or custom or natural phenomenon.

它常常天马行空，关乎一些想象中的事件,它们发生在有历史记载的时期，不是在史前原始王国，所以杜撰故事一般都是来解释一些惯例,或者仪式和风俗或者自然现象。

耶鲁公开课 - 旧约导论课程节选

She did this for some time before returning to the United States.

VOA: special.2010.04.25

If you look at Greece in this period, I don't know if I've used this term before, but some scholars refer to this general period we're talking about as the Greek renaissance by analogy to the renaissance in Italy.

如果纵观这个时期的希腊,我不知道以前是否用过这个定义,但一些学者,用意大利文艺复兴来比喻这个时期,把它称作希腊的文艺复兴

耶鲁公开课 - 古希腊历史简介课程节选

Guys that have been to the World Cup before and have become real good leaders, some younger players that have played key roles throughout qualifying, some new players that came in late but still bring enthusiasm.

VOA: special.2010.06.09

I want to spend some time on that until we talk about-- before we talk about development of the polio vaccine.

我想多花些时间讨论这个问题,在我们讨论,在我们讨论脊髓灰质炎疫苗的发展之前

耶鲁公开课 - 生物医学工程探索课程节选

Scheduling decisions made well before the tournament have forced some teams to travel long distances and play on short rest.

VOA: standard.2009.11.05

But before I do that, I would also like to welcome-- I know that some of you are watching this from home, to the extension school students, it's wonderful to have you here.

但在这之前，我也想对-,我知道你们中的有些人正在家里看这堂课，对进修学校的同学们表示欢迎，很高兴你们能听我的课。

哈佛公开课 - 幸福课课程节选

He is so unpopular some in his party want to oust him as leader before the August election.

VOA: standard.2009.07.13

> David: At some point in time, I'm going to have to have declared the variable as a float before I can then hand it to printf as the insertion value for that format strength.

>，大卫：在一个特定的时间，我将需要,声明float类型这样的变量,那样我就可以把它打印出来,像是格式化优点的插入值。

哈佛公开课 - 计算机科学课程节选

What this basically means is, you're given some problem to solve, that you've never seen before.

我们还会再讲讲这些内容,最基本的意思就是你有一个问题要处理。

麻省理工公开课 - 计算机科学及编程导论课程节选