One of the big issues to discuss is how and when to reduce deficits and economic growth measures as conditions improve.

VOA: special.2010.06.25

It's not always how fast you throw the fastball, sometimes it's your different styles or the different ways that you decide when to throw what.

这不总是你投出,棒球的速度有多快，有时这是你投球的类型,或者你决定采用的投球方式。

麻省理工公开课 - 化学原理课程节选

and in not allowing citizens to choose when to take their own life.

坚决不允许公民自主选择结束生命。

对于安乐死的看法 - SpeakingMax英语口语达人

For instance,even native speakers are often not sure when to use "lie" and when to use "lay."

VOA: special.2010.02.11

So the citizens had to do their own fighting and to decide when to fight.

所以市民们不得不亲自上阵作战,并决定何时开战

耶鲁公开课 - 古希腊历史简介课程节选

And they should act quickly to treat asthma attacks and know when to seek medical help.

VOA: special.2009.07.28

When to use "the" in a sentence, when not to use "the", when to use "an" instead of "a" or "a" instead of "the".

在一个句子中，什么时候用“the”，什么时候不用“the”，什么时候用“an”代替“a”，什么时候用“a”代替“the”。

经常犯的失误 - SpeakingMax英语口语达人

He seemed to know the perfect time to tell a joke and when to remain silent.

VOA: special.2009.10.11

This is the name to which I'm going to refer when I want to use this function. All right?

这是我以后使用这个函数式,会采用的名字？

麻省理工公开课 - 计算机科学及编程导论课程节选

Now,the question is how and when to withdraw that support without harming a recovery, and how to avoid a repeat of the financial crisis.

VOA: special.2009.09.26

Now when you go to jail-- I mean when you go to court, slaves of course can't represent themselves in court at all, they don't have any legal standing.

如果你进监狱。。。,我是说如果你上法院，奴隶当然不能在法庭上代表自己，他们没有任何法律地位。

耶鲁公开课 - 新约课程节选

In his second term, he will have to consider how and when to withdraw heavy intervention in the financial industry and raise interest rates.

VOA: special.2009.08.28

However, what I'm saying is that it's important, not less important to focus on questions when it comes to education.

但是，我所说的是当提到教育时，关注问题很重要，而不是较不重要。

哈佛公开课 - 幸福课课程节选

But he looked carefully ahead, and he told Billie when to turn the boat.

VOA: special.2010.03.06

And as we will get to - when we get to the lecture on language, this is not conscious.

等我们讲到语言的时候,你就会明白，语言理解是无意识的。

耶鲁公开课 - 心理学导论课程节选

They should make sure they understand how and when to take their medicines.

VOA: special.2009.07.28

All of these systems we can call "languages," and "language"--that is to say, the words that we use when we speak to each other is one of those systems.

这种系统我们称为语言“,也就是说，是关于我们说话用语的研究,关于那个系统的研究。

耶鲁公开课 - 文学理论导论课程节选

A signal from the TV tells each side of the glasses when to turn on and off, showing each eye slightly different images that create the sense of depth.

VOA: special.2010.01.26

And the time is going to come when the car will cease to exist but its parts will still be around.

而车有一天会不再存在了,但它的零件却依然存在

耶鲁公开课 - 死亡课程节选

A high burden of infectious diseases. Lack of provision of family planning allowing a women to decide when to start and end having children and how to space her children.

VOA: special.2009.10.19

You're gonna have to be a little more careful when it comes to adding stuff to an array and removing it from.

当你向数组里面添加东西或者从中取出东西时,要非常非常的小心。

哈佛公开课 - 计算机科学课程节选

Special equipment has been installed so that Olympians can rely on sight to know when to go and when to stop.

VOA: standard.2009.09.10

But there is a second kind of development, and this gets to that second childhood he invokes that happens to him when he goes to Chicago.

但事情有变，在理查的第二个童年,在去芝加哥的路上，他渴望得到童年。

耶鲁公开课 - 1945年后的美国小说课程节选

Meteorologists and aviation authorities are monitoring wind direction and the ash cloud's movement from Iceland to determine where and when to shut down airspace in Europe.

VOA: standard.2010.04.15

And so it seemed a natural move for early Christian writers to use this existing pastoral form when they wanted to speak on subject of priests or ministers or affairs of the church.

于是用现存的田园诗来谈论,关于牧师或教堂事务的话题,成了早期基督派作家非常自然的转变。

耶鲁公开课 - 弥尔顿课程节选

Studies have shown nurse practitioners are better at listening to patients than doctors, and they make good decisions about when to refer patients for specialized care.

VOA: standard.2010.05.14

That is to say, when they think they are going to make money, the nuclues accumbens activates.

也就是说，当他们认为自己能挣到钱时，伏隔核会活动起来。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

So if we can get better at giving people triggers of when to leave early, which we will work very hard on doing, then people evacuating themselves is the safest thing to do as long as it's early enough."

VOA: standard.2009.06.24

So, that's going to be important later when we get to bonding, but just take note of it now, we have two nodes, or we have two lobes, excuse me, each with a separate phase.

这等到我们之后讲到成键时是非常重要的，现在先要记住，我们有两个节点，不好意思，是两个叶瓣，每个都是不同的相位。

麻省理工公开课 - 化学原理课程节选

We just want to know when he's going to hit the pavement, and with what speed.

我们只关心他什么时候摔到人行道上,以及他落地时的速度

耶鲁公开课 - 基础物理课程节选