So they're optional, but they're very, very, very highly encouraged that you do these, because this is going to give you practice for the types of problems that are going to be on the exam.

虽然它们是选做的，但是它们非常非常，非常值得你们去做，因为这对你们来说是一次训练,是用来熟悉考试题型的。

麻省理工公开课 - 化学原理课程节选

So what it does is: the more you do this, the more you practice,

所以它的作用是，你做得越多，你练习得越多，

英语写作：技巧 - SpeakingMax英语口语达人

So how do you practice your values so that the outcomes are good, for the good of the world, and good for America.

那要怎样运用这些价值观,才会有好的结果呢，对全世界有利的结果，同时也有利于美国。

普林斯顿公开课 - 国际座谈会课程节选

They let you practice as an attorney if you haven't gone to law,

如果你没有干过律师这行，他们也会让你当律师，

想成为律师的话 - SpeakingMax英语口语达人

And every week, you practice and

每周你们都要训练，

伯克利的水上运动 - SpeakingMax英语口语达人

No, no. But if you have a UROP, or you have a sports practice or something, we will allow that.

不行，但是如果你得到本科生研究计划，或者你要进行体育锻炼，我们是能够接受的。

麻省理工公开课 - 固态化学导论课程节选

So is this something you do in your own artistic practice with when you are sitting down, writing a poem?

您在静下心来，写诗，进行艺术,创造时，也是实践这种理念么？

普林斯顿公开课 - 人性课程节选

It's a problem, as you'll see, designed to give you some practice at dealing with some of the, dare I say, more theoretical concepts we've covered in class.

这种问题会让你在处理我们,课堂上并没有讲到的更多,理论概念这方面上有更多实践,这种问题就像算法复杂度一样。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, the purpose of this exercise is to give you a little bit of practice in figuring out what these quantities are.

就有这样的结论,这个练习的作用时让你们理解,这些物理量是什么。

麻省理工公开课 - 热力学与动力学课程节选

So, in a way, I'm flipping my usual practice; I would tell you a little bit about its publication history at the beginning.

其实我有点儿跳出我的常规做法;,通常我会在讲课的一开始,就谈及相关的出版历史。

耶鲁公开课 - 1945年后的美国小说课程节选

So if you were learning rhetoric, for example, you might practice giving speeches at the gymnasium.

如果你在学习修辞学，就可以在运动场通过演讲来练习。

耶鲁公开课 - 新约课程节选

Now if you expand that to sicence and to practice and whatever. It's your pursuit of life.

如果你将之延展到科学或者实践或者其他什么,你那是你自己的生活追求。

麻省理工公开课 - 电影哲学课程节选

I assume that those problems are not that difficult and I've given you a lot of practice.

我知道这些题目没那么难,我已经让你们练过不少次了

耶鲁公开课 - 基础物理课程节选

These won't be graded, you don't have to turn them in, it's just to give you some extra practice if you want while you're studying for the exam.

这些题目不会记分，你们也不需要交上来，只是如果你需要的话，这可以让你,在准备考试的过程中得到更多的训练。

麻省理工公开课 - 化学原理课程节选

What a delight to be able to spend a few minutes with you and such a very special class, where you are combining the science of positive psychology with its practice.

和你们共度几分钟，真是乐事,在这样特别的课堂上，在这里你们将积极心理学的科学,和应用合二为一。

哈佛公开课 - 幸福课课程节选

When someone invented the airplane, before you knew it every country had an airplane because there was a best practice, there was a best technology and it was not unique to any one country.

有人发明了飞机,不知不觉,每个国家都有飞机了,因为这些最佳的设计,这些最好的技术,并不是一个国家所独有的

耶鲁公开课 - 金融市场课程节选

This is mainly a research tool now, but there's lots of reasons to believe that this is going to change the way that physicians practice medicine by allowing them to diagnose or predict what's going to happen to you in ways that they can't currently.

这项技术现在还只是一种研究工具,但我们有理由相信,它将改变,内科医生诊疗实践的方式,因为它能让医生,诊断或预测出病人将要得的病,这是他们现在做不到的

耶鲁公开课 - 生物医学工程探索课程节选

I'm gonna run a.out and your teaser for the kinds of programs you can write after years and years and years of practice will give you output like this.

运行a，out，这类麻烦的程序,你多年多年之后也能写,因为最后的结果是这样的。

哈佛公开课 - 计算机科学课程节选

practice our, you know, talking skills. We get really close because there's not that many people in the class.

练习我们的表达能力。因为上这个课的人不多，所以我们之间变得很亲近。

学习外语的原因 - SpeakingMax英语口语达人

but I think it's, you know, a good practice, especially to be learned here in the United States, too.

但是我觉得这样，是很好的练习，特别是在美国做生意也有学问。

学习外语的重要性 - SpeakingMax英语口语达人

This is something I'd like you to practice, I'd like you to think about, be conscious of, and it's something we can return to.

这是我想让你们练习，并且希望你们多想想，并且小心注意的，这也是我们能够重现的。

耶鲁公开课 - 现代诗歌课程节选

That's like something personal, something that you can practice on your own in your own home or like me practicing my religion is not going to affect the next person.

宗教是个人的事情，可以自己在家里进行,就像我的宗教信仰不会影响旁人一样。

耶鲁公开课 - 公正课程节选

Now we're in trouble and I say, don't run away! There are no techniques, there are no maneuvers, there are no -- you can't do anything and so they didn't practice very much, except one stunning exception, the Spartans.

现在形势不妙,我说,"弟兄们,顶住",这些不需要技巧,不需要熟练的动作,也不需要--,你对战场上的一切都无能为力,因此他们也不需要什么操练,唯一让人赞叹的特例,就是斯巴达人

耶鲁公开课 - 古希腊历史简介课程节选

I know to be a judge, you can't just become a judge, you usually have to practice as a lawyer first.

就我所知，你不能一开始就成为法官，你必须先成为一名律师。

为了更美好的世界 - SpeakingMax英语口语达人

I agree, meditation is not something that you just do for an hour a day or a month or however much time you do it, it's supposed to be a practice you implement into your daily life.

我也认为冥想不是坚持一天或一个月,就能达到的,不管花多少时间在上面，这都只是种练习,要融入到日常生活中去。

普林斯顿公开课 - 人性课程节选

You can see the website if you want to download a copy of this to practice on it.

如果你们想练习的话,可以到网上自行下载。

麻省理工公开课 - 固态化学导论课程节选

In fact, they are in practice long-term because you have a relationship with your banker and you play golf with your banker and your banker understands that you have a business -he's your friend, let's hope.

实质上这些借贷款就是长期的,因为你与银行从业者有着千丝万缕的联系,你和他一起打高尔夫,而且他知道你在做生意...,他是你的朋友,希望如此

耶鲁公开课 - 金融市场课程节选

And I think if you are outside, whether you are walking or sitting, paying attention as a spiritual practice is really not only seeing, but having all of your senses engaged in what's going on is important.

我想如果你在户外，无论是走，或是坐，作为感受灵性的实践,所谓的注意，并不仅仅是看，而是调动你所有的感官,来感受身边的一切，这才是要点。

普林斯顿公开课 - 人性课程节选

And this is the same periodic table that you're going to get in your exams, so it's good to practice doing your problem-sets with that periodic table so you're not relying on having the double check right there of seeing what the electron configuration is.

这也是你们考试时会用到的相同的表,这样你们就不会，所以使用周期表来做问题集,是很好的练习,这样你们就,不会依赖于再次确认,电子构型是什么了。

麻省理工公开课 - 化学原理课程节选