So, if we're going to go to the moon, we're going to go to Mars,we want to be able to produce oxygen, structural metals and photovoltaic materials from in situ resources.

如果我们要去月球上，我们要去火星上，我们则必须要制造,氧气，结构金属和光电材料,就在原地制造。

麻省理工公开课 - 固态化学导论课程节选

It's about maybe half an hour, one hour from Barbados and maybe another hour and half from Puerto Rico.

从巴巴多斯岛到那儿大概要半小时或一小时；从波多黎各到那儿则需要再花上一个半小时。

和纽约的留学生 - SpeakingMax英语口语达人

And I went to the school where I was a member of a very small minority group.

而在我上的大学里,我则属于一个非常小的少数人群体。

普林斯顿公开课 - 人性课程节选

She remains part of the household of her father, and she's legally under the control of her father probably, or her brothers, if her father is dead; or her grandfather if her grandfather is still alive.

而是她父亲的家户，法律上受她父亲控制，如果她父亲过世，则是她兄弟;,或者她的祖父，如果还健在的话。

耶鲁公开课 - 新约课程节选

Where you get a chance to interact on a greater level is in the recitations.

而你们能够得到更多的互动,则是在背诵课上。

麻省理工公开课 - 固态化学导论课程节选

What's happened actually if we base it in the last 25 years since the early '80s We've just had two recessions and they've been very mild by historical standards and...two--now three long expansions in between.

实际上是什么情况呢,80年代初期以来，这25年当中,我们只经历过两次经济衰退,而且在历史上算是相对轻微的,其间则是两，三次长时间的经济增长。

斯坦福公开课 - 经济学课程节选

The press started writing a lot about Trans fats and then the government required Trans fats to be shown on labels, and then the food industry really had to pay attention and a lot of them started taking out Trans fats.

新闻开始大量报道反式脂肪,政府则要求内含则必须在标签上注明,这才真正引起了食品业的重视,许多厂商开始剔除反式脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So conceptually the key difference here, besides the syntax looking slightly different, it just means that if you want a chunk of code to execute no matter what initially, ; you can use the do while loop; if you want to check a condition first, you can use the while loop.

所以概念上，则关键的区别是，除了语法看起来有点不同，它的意思是如果你想要一段代码,最初无论如何都要执行，你就可以用do，while循环;,如果你想要先检查条件，你可以用while循环。

哈佛公开课 - 计算机科学课程节选

For me, it's crew, rowing on the river every day.

我呢，则是每天都在河上进行赛艇训练。

MIT的时尚品味 - SpeakingMax英语口语达人

And of course it exists in a semiotic relationship to a white light over a street door which means "this is my house; if you wish you can ring the bell but I'd just as soon you stayed out."

当然它是存在于一个语义篇中的,而临街门上的白灯则意味着,这是我的房子，你要进来必须按门铃,但是你最好别进来“

耶鲁公开课 - 文学理论导论课程节选

You might have some people up here who are saving and other people down here who are dissaving and the production would be operating at the middle.

有人多储蓄,落在这点上,有人不储蓄,落在这点上,社会总生产力则在它们之间

耶鲁公开课 - 金融市场课程节选

And fixed versus variable speaks to whether you give a reward on a fixed schedule, every fifth time, or variable, sometimes on the third time, sometimes on the seventh time, and so on.

固定与变化则是相对于,你是否根据固定时程给予奖励而言的，每五次就给予奖励，或者是变化的，有时候在第三次上给予奖励，有时候则在第七次上给予奖励。

耶鲁公开课 - 心理学导论课程节选

My roommate for many years was going to medical school as I was going to graduate school, and we found we had so many interesting conversations about chemistry -- her from the context of practicing and using medications and talking about how they worked on a molecular level, and me talking about my research.

让你们读医学预科的人都转行,我多年的室友在我去读研究生的时候，去了医学院,我发现我们对于化学有过很多有趣的交谈,她会说如何应用药物,如何在分子层面上让它们工作，我则说关于我的研究。

麻省理工公开课 - 化学原理课程节选

See this is testing your restraint because those of you who have willpower will stay for the rest of the class, the rest of you will flee the room and go to Starbucks right up on the corner and get something like this.

这简直是在考验你们对食物的抵抗力,因为你们中有意志力的人,会留下听完后半节课,其他人则会飞奔出教室,奔向在转弯角上的星巴克,然后买点吃的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选