When it was his turn to speak, Mr.Obama said old grievances in the hemisphere should be set aside, replaced by a renewed commitment to expand prosperity, security and freedom in the Americas, with all nations working as equals to confront common challenges.

VOA: standard.2009.04.17

That's the set up. We're going to run the reactants, the reaction. The reactants are going to turn into products.

这就是我们的装置，我们要进行反应,让反应物变成生成物。

麻省理工公开课 - 热力学与动力学课程节选

I'm going to start with those and then I'll turn, eventually, to another set of possible things that might need explaining, which we might think of as extraordinary, supernatural things.

我将从这里开始,然后转而讨论,另一些,需要给予解释的现象,那些我们可能视之为异乎寻常的,超自然现象

耶鲁公开课 - 死亡课程节选

The gamble was our wings will crush their wings and turn in on them from behind and from the side, and set them a running before they break through our middle.

赌的是在敌军突破我军的中路之前,我军的两翼摧毁敌军两翼,从侧翼和后方合围对手,使之四处逃散

耶鲁公开课 - 古希腊历史简介课程节选

If you haven't seen Law & Order, the way to see Law & order is to go to a random TV set, at a random time, and turn on a random channel.

你要是没看过,随便去找个电视机,在任意时段任意频道都能看到

耶鲁公开课 - 博弈论课程节选

These are the basic theoretical structures that you incidentally need for the problem set, ... the first problem set. The first problem set-- I guess you've--you can turn in your first problem set here before you leave because it was due today.

这些是基础的理论框架,你会在做习题的时候用到它们，第一道练习。。。第一次练习是-,第一次练习作业的截止日期是今天,所以你们在今天在离开前把作业交上来。

耶鲁公开课 - 金融市场课程节选