"We need to ensure improved security conditions in the south in order to carry out an effective counter-narcotics strategy in Helmand and Kandahar provinces,".

VOA: standard.2009.03.27

And the temperature scale that turns out to be well-defined and ends up giving us the concept of an absolute zero is the ideal gas thermometer.

比如理想气体温标,它有精确的定义,并能引出绝对零度的概念,今天我们就先来谈谈它。

麻省理工公开课 - 热力学与动力学课程节选

So if you are in an English-speaking country, my advice to you is to go out on the street and be local.

所以，如果你在说英语的国家，我建议你像当地人一样到街上去。

在英语系国家 - SpeakingMax英语口语达人

Ethiopia's army entered Somalia in 2006 to drive out an al-Shabab backed administration in Mogadishu, but encountered stiff opposition and withdrew earlier this year.

VOA: standard.2009.08.20

And the other thing to point out is that the energy that an anti-bonding orbital is raised by, is the same amount as a bonding orbital is lowered by.

另外一个要指出的事情是,反键轨道引起的能量升高，和成键轨道引起的能量降低是相同的。

麻省理工公开课 - 化学原理课程节选

Criminal charges against Muammar Gadhafi's son, Hannibal and his pregnant daughter-in-law were dropped after the two abused domestic servants reached an out-of court settlement and withdrew their complaint.

VOA: standard.2009.08.23

And very often what that does-- a positive emotion can take us out of this downward spiral and create an upward spiral.

很经常的是-,积极情绪把我们带出下行螺旋,形成一个上行螺旋。

哈佛公开课 - 幸福课课程节选

"As I've said from the day I took office, it's going to take months, even years, to dig our way out - and it's going to require an all-hands-on-deck effort."

VOA: standard.2010.07.03

There was a case of a very minor insurrection in an obscure Italian city in 1848 where the people of the town literally locked the ruler out of the town-- and Italy remains decentralized.

在1848年,有一场小规模叛乱,发生在一个意大利的小城里,人们把统治者锁在城门外面,如今意大利仍然是四分五裂的

耶鲁公开课 - 欧洲文明课程节选

Playing in front of 72,546 wildly cheering partisan fans just 145-kilometers from their campus in East Lansing (Michigan), Michigan State jumped out to an early 9-2 lead and finished the first half with a 38-36 advantage.

VOA: standard.2009.04.05

You know, if you're wandering through Harvard Square and you see an out-of-work Harvard grad, they're handing out examples of square roots, they'll give you an example and you can test it to see is the square root of 2, 1.41529 or whatever.

你知道，如果你从哈佛校园里穿过去,你看见了一个失业校友，正在派发平方根的示例，他们会给你一个例子,而你会检查2的平方根是1。41529或者别的什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because we hold relatively stable, relatively well-diversified portfolios, security selection turns out not to be an important determinant of returns for most investors and market timing turns out not to be an important determinant of returns.

因为持有相对稳定,和相对分散的投资组合,证券选择不再是,决定投资者回报率的重要因素,而市场时机选择,也不会成为决定回报率的重要因素

耶鲁公开课 - 金融市场课程节选

I like this piece because it does something and I've used it in previous years, and I put it on and I would announce "I'm now going to play out of the-- It's an album called Document by REM ," and put it on and REM and it's fine with me.

我很喜欢这曲子,因为它确有独到之处,过去几年的教学中我一直用到,我往往会说,现在我放一段曲子,这张专辑叫,文档,是REM乐队的,然后就放曲子,我没觉得有什么问题

耶鲁公开课 - 聆听音乐课程节选

A company, according to Modigliani and Miller, has to weigh their tax considerations against their bankruptcy costs and get an optimum debt-equity ratio out of that.

根据MM理论,一家公司,必须在租税考量与破产成本之间进行权衡,然后得出最有利的负债权益比

耶鲁公开课 - 金融市场课程节选