If resident doctors work shorter hours, for example,mistakes could happen when one resident takes over a patient's care from another.

VOA: special.2009.06.02

So, so, if and when we get passed that, hopefully, and the economy starts to turn around a little bit,

如果他能通过中期选举，经济也开始好转，

有名的毕业生 - SpeakingMax英语口语达人

If you have a white wall, that's when we did Zen meditation, it's easier if you're just facing a wall.

如果家中有面空墙，我们可以进行坐禅，面对空墙会相对容易。

普林斯顿公开课 - 人性课程节选

If you live in a cold area, a tender bulb will need special care when the growing season is over.

VOA: special.2011.04.12

Even in the case of this spring, when you pull it, if you pull it to the right by some force.

甚至是在这样的弹簧问题中,当你拉它的时候,如果你用力向右拉

耶鲁公开课 - 基础物理课程节选

Lee read it slowly. When he finished, Grant asked if the Confederate general wished to propose any changes.

VOA: special.2009.12.24

So, this unfolding of the plot and the epic story has been very, very interesting to watch, especially if you look back to that time when he came back to the company.

苹果的情节展开,和史诗般的叙事，都非常有趣，特别是回首他刚回公司的时候,这两点更为有趣。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

If resident doctors work shorter hours, the researchers said, errors could happen when one resident takes control of a patient's care from another.

VOA: special.2010.07.13

It was as if, when we went through this search tree, we never remembered what we got at the bottom, and we just re-computed things over and over.

如果当我们遍历完这棵树，我们不可能，记得我们在最下面得到什么结果,我们只是不断地重复计算，所以这让。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you plant the seeds outside when the weather is cool, place the seeds under a glass.

VOA: special.2009.04.21

Again, when you traveling around Europe, if you're lucky to do that, you'll see these big fortified towns.

如果你有幸能周游欧洲的话,你会见到那些大型的要塞城镇

耶鲁公开课 - 欧洲文明课程节选

Imagine my disappointment when you arrived!" Chico Marx talked as if he was born in Italy.

VOA: special.2009.07.19

When he freed you, if he was a Roman citizen, you would automatically become a Roman citizen also, and your children would be Roman citizens.

只要主人是罗马公民，奴隶被释放后，也能自动成为罗马公民，生下的孩子也会是罗马公民。

耶鲁公开课 - 新约课程节选

"You are feeling hopeless. If I was in Haiti when that happened, when the earthquake happened, I could go and help somebody that's injured.

VOA: special.2010.02.01

When you want to know if something is transparent to visible light or not, here is the mystery material and here is visible light.

而我们知道,物体是否对可见光透明，这里是神秘的材料，这里是可见光。

麻省理工公开课 - 固态化学导论课程节选

"If it's like during school when things are busy, once maybe for like twenty minutes max.

VOA: special.2009.09.14

If when someday a republican is elected to the White House and the president says Josh, pick. What would you like to do?

如果将来一位共和党人当选,入主白宫，然后总统对你说,约书亚，任选一个职位，你会选什么？

普林斯顿公开课 - 国际座谈会课程节选

Usually, a person is clowning around if he is being funny when he should be serious.

VOA: special.2009.01.11

At least you maybe finding that and if not when you look back at the code you then have written you'll realize that in fact it just requires a few lines of code.

至少你会发现这一点，不然的话，在你写完代码，返回去,看的时候你会意识到,实际上它只需要几行代码。

哈佛公开课 - 计算机科学课程节选

It is probably clay if it holds together instead of falling apart when you stop pressing.

VOA: special.2009.09.14

If we want to worry about when,if ever, is an abortion justified,it might be worth getting clear on, when do creatures like us start?

如果我们想要弄清楚，堕胎在什么时候是可以接受的，就要弄清楚，我们这样的生命是何时开始的？

耶鲁公开课 - 死亡课程节选

They say it takes some training. And there can be risks, like running when your feet are too cold to feel if you get injured.

VOA: special.2010.02.03

Ask him if this is true when you see him.

碰见他时问问他这是不是真的。

耶鲁公开课 - 政治哲学导论课程节选

The people seem so empty of joy that when she touched their cold fingers it is as if she were shaking hands with a storm.

VOA: special.2009.11.15

Well, the company--the board of directors-- decides if and when to pay dividends to the shareholders and then the law of the state would say that they must treat them all equally.

公司,董事会,会决定何时向股东支付股利,州法规定,股东利益均等

耶鲁公开课 - 金融市场课程节选

Stress results when something causes your body to act as if it were being attacked.

VOA: special.2009.03.24

You're going to have to know when you describe the system, if your system is homogeneous, like your coffee with milk in it, or heterogeneous like water with an ice cube in it So heterogeneous means that you've got different phases in your system.

你要知道,当你描述一个系统时，你的系统是均匀的呢，像掺了牛奶的咖啡，那样还是非均匀的，像放了冰块的水,非均匀系统就是说,在你的系统中有不同的相存在。

麻省理工公开课 - 热力学与动力学课程节选

So,when we went for our annual check-up, I asked the doctor if I was right.

VOA: special.2010.08.18

Okay, now when you're fighting, if you're fortunate enough, and the Greeks were sometimes fortunate enough to fight people who were not hoplites, like when the Persians came at them they fought hoplites against non-hoplites.

好的,当你进行战斗时,如果你运气够好,而希腊人有时也够走运,能和非方阵的战士战斗,比如当波斯人前来叫阵,他们就是以方阵部队对抗非方阵部队

耶鲁公开课 - 古希腊历史简介课程节选

Then also a problem is you can't weigh things when you're eating out, so even if you were being incredibly precise about stuff at home and you were actually weighing things, you couldn't do that very well when you're eating out.

问题是,当你在外吃饭时无法称量食物,所以即使你在家中非常精确地测量食物,并且实际测量了每样物品,但在外吃饭时你可没法这样干

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选