Share-cropping made it possible for blacks to work the land for themselves for the first time in their lives.

VOA: special.2010.02.04

We did figure it out, and we'll get there, but I want to do a little bit of work first.

我们已经算好了,我会告诉你们的,但我们得先干点事

耶鲁公开课 - 博弈论课程节选

Who was also one of the word's first programmers. So she was trying to write this program, and it didn't work.

也是世界上最早的几个程序员之一,她正尝试着完成一个,复杂的求反正切的程序。

麻省理工公开课 - 计算机科学及编程导论课程节选

It provides a place where people can see the first drawings of all his comic strips and learn about his work.

VOA: special.2009.10.25

OK, so w, first of all, work is being done to the system on the left hand side here.

好的，首先,我们通过左边对系统做功。

麻省理工公开课 - 热力学与动力学课程节选

But first,we talk to some Americans who have retired from their professional lives but still work hard to help others.

VOA: special.2010.07.16

He was responsible for writing the first justification for an armed rebellion against a legitimate monarch, the first to publish such a work in, essentially, all of Europe.

他是第一个为反对合法君主的武装叛乱,写辩护书的人，也是第一个在全欧洲将其发表的人。

耶鲁公开课 - 弥尔顿课程节选

The hard work of this grassroots effort resulted in the first Earth Day on April twenty-second, nineteen seventy.

VOA: special.2010.04.21

For now I want to tell you a little bit about what open course ware is and also share with you some work experience with our first public launch of the site.

现在我想谈谈,什么是开放课程软件,并且与你分享一些,第一次开放这个网站的工作经验。

麻省理工公开课 - 媒体、教育、市场课程节选

One such program in the state of New Jersey is giving some young people their first experience with the world of work.

VOA: special.2009.08.20

The president that I work for, I always saw him trying to get first to the best policy based on his principles.

我辅佐的这位总统，我总会看见他努力根据自己的原则,规划出最好的政策。

普林斯顿公开课 - 国际座谈会课程节选

Scholars who work on publishing make careful choices many of the plays about whether to use words from the First Folio,or the Quartos.

VOA: special.2010.01.13

And for a couple of reasons, one this is the first P set where we're actually gonna give you code to work from.

由于一些原因，这里是第一个习题集,在此我们提供了一些代码供大家参考。

哈佛公开课 - 计算机科学课程节选

The first Rockwell work Spielberg ever bought is a nineteen twenty-two painting called "And Daniel Boone Comes to Life on the Underwood Portable."

VOA: special.2010.09.20

So, either of those ways of figuring this out is the first guess of what goes in the middle will work pretty well.

因此，用上述任何一种方法来初步,估计哪个原子应该在中间都是相当好的。

麻省理工公开课 - 化学原理课程节选

She was the first woman to be permitted to work in combat areas during World War Two.

VOA: special.2009.05.17

Thomas Hobbes was the author of the first and, I believe, undoubtedly the greatest, work of political theory written in the English language.

托马斯·霍布斯是第一部，我相信，毫无疑问也是最伟大的一部，用英语写成的,政治学著作的作者。

耶鲁公开课 - 政治哲学导论课程节选

Koussevitzky led the orchestra for the first performance of Copland's early work, "Music for the Theater,"

VOA: special.2009.06.21

It disappears and comes back, and at that time his mother, who is actually Freud's daughter, was going out to work for the first time on some days, and the boy was getting used to letting her go.

它又消失了之后又出现了，在那时他的妈妈，实际上是弗洛伊德的女儿，正准备,第一次出去工作一段时间，男孩正慢慢习惯,让她出去。

耶鲁公开课 - 1945年后的美国小说课程节选

At first,girls mostly followed their mom or dad around at work to learn about their jobs.

VOA: special.2010.04.30

It turns out that if you start learning a language, a second language is where most of the work's been done, within the first few years of life you're fine.

如果你在出生的头几年里开始学习一门语言,非常努力地学习了第二门语言,那么你一切正常

耶鲁公开课 - 心理学导论课程节选

He was the first black newspaper columnist to have his work appear in major newspapers.

VOA: special.2009.11.01

Like when they devised the first engines or the first nuclear reactors, it didn't work so well at first and then from the experience of many people working on it, over many years, a body of knowledge emerges and that's what we call technology.

这和发明出第一个发动机,或者第一个核反应堆时一样,最开始总是存在很多问题,但随着很多人不断努力去完善它,一种理论体系才得以不断发展,这就是我们所说的科技

耶鲁公开课 - 金融市场课程节选

The work was first performed in Germany in two thousand to mark two hundred fifty years since the death of the composer Johann Sebastian Bach.

VOA: special.2010.07.19

The way these things work, when you are engaged in agriculture, it's natural to go first to that soil, to that patch of land which is known to be likely to produce the best land, the most fertile, the best product, the most fertile land there is.

这一方式是这样运作的,当你从事农业,你自然而然的会首先关注土壤因素,去找出已知土地中最为肥沃的那一块,土地越肥沃,产量越高,就越追求更为肥沃的土地

耶鲁公开课 - 古希腊历史简介课程节选

She was the first woman hired by the government to create a work of art.

VOA: special.2010.01.27

So I differentiated this object, this is my first derivative and I set it equal to 0 Now in a second I'm going to work with that, but I want to make sure i'm going to find a maximum and not a minimum, so how do I make sure I'm finding a maximum and not a minimum?

这样我就对它求出导数了,这是一阶导数,令它等于0,一会我们就要计算了,但我先确定一下是最大值还是最小值,我怎么确定是最大值还是最小值呢

耶鲁公开课 - 博弈论课程节选

This is the first time it will recognize the work of nongovernmental groups.

VOA: special.2010.06.22

First of all, the work of Barge, priming is when we have subconscious or conscious priming.

首先是Barge的研究，影射分为潜意识和有意识影射。

哈佛公开课 - 幸福课课程节选

Is this possible? That's what the first law says it's possible; work is heat, and heat is work, and they're the same thing. You can break even 100% maybe. So let's go back and see what work is.

00%的效率,我们可以从大气中吸收热量，用来驱动我们的汽车,效率也应该能达到。

麻省理工公开课 - 热力学与动力学课程节选