He says the best way to learn is to read books about backpacking trips, talk to experts and then get outside and start doing it.

VOA: special.2011.03.23

When you go to a concert of classical music and the music is played and you start to talk what happens?

比如当你们去听古典音乐会,在演奏进行时,你们开始讲话,那会发生什么

耶鲁公开课 - 聆听音乐课程节选

They start to talk about who's most susceptible in the population; who were the most vulnerable groups; and if you're going to do intervention, who you may want to focus your efforts on.

人们开始讨论哪些人是最易受到影响的,哪些是最脆弱的群体,如果要进行干预,应该把注意力集中在哪些人身上

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In fact what you might prefer to do is start insulin production and we'll talk about ways to do that in just a minute.

事实上,你们更愿意做的恐怕是,开启胰岛素的合成,我们马上就会讲到这其中的方法

耶鲁公开课 - 生物医学工程探索课程节选

Of course, once you start thinking of it this way, it's natural to talk this way across a variety of things that the computer may be trying to do.

当然,一旦你开始用这种思维方式思考,你就会很自然地把这种思维应用到,电脑可能想要做的其它事情上

耶鲁公开课 - 死亡课程节选

So that's going to be the end of the exam 1 material, and then we'll move on to exam 2 material, which is kind of exciting, because we've been talking about just individual atoms and ions up to this point, and now we can talk about molecules, so we're going to start talking about bonding.

到此为止就是第一次考试的内容，接下来我们会开始讲第二次考试的内容，这些内容令人有点兴奋，因为我们一直都只是在讨论单个的原子,和离子到目前为止，而现在我们可以讨论分子了，要开始讨论成键的问题了。

麻省理工公开课 - 化学原理课程节选

I'm going to start out today's talk by giving you what has been the standard and orthodox interpretation of how the hoplite phalanx worked, which, I think, again Hanson has given us the clearest and most useful account.

我们今天所要讲解的,是对重装步兵方阵是如何运行,这一景象最标准最正统的阐释,我觉得,汉森给了我们一个,最清晰,最实用的解释

耶鲁公开课 - 古希腊历史简介课程节选

We're going to talk about various aspects of food and I'd like to start off with a little pop quiz.

我们将讨论有关食品的方方面面,我将以一个小测验来开始这门课

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This picture here, we're going to come back to this later in two weeks when we start talking about vaccines, and we're going to talk about how you make vaccines for viruses and so in doing that we're going to think about the life cycle of a virus.

看这幅图片,我们两周之内还会讲到这一内容,在开讲疫苗的时候,我们要讲讲怎么制作病毒疫苗,那时我们要,讲讲病毒的生命周期

耶鲁公开课 - 生物医学工程探索课程节选

So carbon has four valence electrons, so if we talk about c 2, again we're going to start filling in our molecular orbitals, and now we're going to have eight electrons to fill into our molecular orbitals.

碳有4个价电子，所以如果我们考虑C2的话，同样，我们开始填分子轨道，现在我们有8个电子,要填入分子轨道。

麻省理工公开课 - 化学原理课程节选