Once,on a business trip to London, Charles Homer bought a set of drawing examples for his son to copy.

VOA: special.2010.07.25

He believed whatever one wag once set of monks, "I sleep, I eat, I digest," and they prayed, of course.

他对修士们的态度就像某个僧侣说的,"吃了就睡,睡了再吃",当然他们也会祈祷

耶鲁公开课 - 欧洲文明课程节选

So it's a really powerful and simple formalism, once we set up what is needed the go through it, right?

因此这是一种很强大而简单的形式,一旦我们定下需要什么,就可以推导出它，对吧？

麻省理工公开课 - 热力学与动力学课程节选

And he offers this advice once you have chosen the record you want to set: Train hard.Plan ahead.Be patient -- don't give up.

VOA: special.2011.05.16

If you make Jell-o and you make it right, then once it's set or gelled, it has mechanical properties.

如果你用正确方法做出了吉露果冻,它一旦凉下来定了型,就有了机械性能

耶鲁公开课 - 生物医学工程探索课程节选

He says many,if not all, of the top American colleges once had a core curriculum a set of courses required for all students.

VOA: special.2009.10.22

PROFESSOR: So, does anyone have any questions about the set up here, does it make sense what we're looking for the bar to go back once we make some progress.

教授：所以，有人对这套装置,有疑问吗，一旦我们,取得了一些进展,我们看到这个棒又返回来。

麻省理工公开课 - 化学原理课程节选

To represent that chain of events, a long line of oversized, brightly painted dominoes has been set up running for one-and-a-half kilometers in an area where the Wall once stood.

VOA: standard.2009.11.09

But if you set out trying to implement this whole story line at once, if you set out trying to implement a cookie love story, it's just not gonna fly.

但是如果你一开始就想一次啃掉整块蛋糕,譬如你一开始就想,完成这个饼干人的爱情故事，你会发现这是行不通的。

哈佛公开课 - 计算机科学课程节选

The dominoes have been set up to run for one and a half kilometers in an area where the Wall once stood, and late Monday they will be toppled much like the Wall was two decades ago.

VOA: standard.2009.11.09

One hundred fifty plus office hours is the current tally that you'll see starting to appear on the course's website, thanks to our 60 plus person staff and you'll also see online soon once you have your accounts as per problem set 0 spec.

50多个小时的课时,就是你现在在课程网站上要看到的，在这里我们要感谢60多位同仁的帮助,一旦你开通账号，你就可以在线看到了。

哈佛公开课 - 计算机科学课程节选

"It was like a giant jigsaw puzzle and the more we started to unearth and peel back the onion of who this guy was and what happened to him in the past and trying to truly understand the reason why he would be so obsessed with a specific case once we start to uncover these things about him we realized that once we explain one set of circumstances we needed to go even further with another set of circumstances."

VOA: standard.2010.02.27

- Just to give you another several fun facts -- and next week, once we've looked at your Problem Set "Zero Submissions," which, if you haven't filled it out yet, you'll see asks a few demographic questions, a few geek-type questions so we can get a sense of the students.

我给你们分享另外几个有趣的事实-,在下周，一旦我们看到你们的习题集上是,“零个意见书“，如果你们还没有填写那个习题集的话，你们可以问一些人数统计方面的问题，或一些古怪的问题，那样我们就能对学生有个初步的了解。

哈佛公开课 - 计算机科学课程节选