"Let me get back to you on that. Oh,oh,oh -- in college, the boyfriend who absolutely forgot Valentine's Day.

VOA: special.2010.02.08

So let's have a clicker question here on how many total pi bonds do you expect to see in benzene?

让我们来做个课堂习题,你们觉得苯环里有一共多少个π键？

麻省理工公开课 - 化学原理课程节选

Let's say you're on a subway, and you have a seat and an older woman is standing in front of you.

假设你在地铁上，你有个位子坐，一个老太太站在你面前。

Let me 课堂 - SpeakingMax英语口语达人

Let me remind you on your delivery, the way in which you talk.

让我来说说你们的表达，也就是你们说话的方式。

麻省理工公开课 - 电影哲学课程节选

Let's just say you want to cash in on people's nutrition interest.

假定你想利用人们对营养的兴趣来赚钱

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 let's actually, you might want to be a little bit gentle in your own notebook, but on my board let's get rid of all these strategies that are never a best response.

所以我们干脆点,在笔记本上,你们动作轻点,我直接在划掉这些非最佳对策的策略

耶鲁公开课 - 博弈论课程节选

You might think of walking in here expecting Professor Hungerford on censorship and getting me instead. But this is a very important idea for Nabokov both as a way of treating predecessors and as a way of writing. And I want to show you that way of writing very early in the book on page 10 now. Let's take a look at that.

你们可能期待亨格福特教授走上讲台,取代我讲审查制度，但这对纳博科夫而言,是非常重要的对待前辈和写作的方法,接下来，我将向你们展示,他的写作风格，在这本书的很前面，第10页，我们一起看一下。

耶鲁公开课 - 1945年后的美国小说课程节选

Let's say you're driving on the freeway and you've been in a really great conversation with your brother

假设你开车行驶在高速公路上，你和你的哥哥谈得很愉快。

I'm about to 课堂 - SpeakingMax英语口语达人

PROFESSOR: All right. As everyone finishes getting settled in, why don't you take 10 more seconds on the clicker question here, and let's see how you did on that this, this is very similar to the clicker question that we had on Friday.

教授：好了，大家，都坐下来了，给你们10秒钟,回答这个问题，让我们来看下你们学的怎么样了，这和上周五的问题,很相似。

麻省理工公开课 - 化学原理课程节选

Let's pretend that you are spending the night on a business trip in a hotel

假设你正在出差，在酒店度过一晚。

How can I 课堂 - SpeakingMax英语口语达人

So if we do this and we form the molecule ammonia, let's switch to a clicker question, and have you tell me what the bond angle - is going to be in ammonia -- HNH Actually, let me draw it on the board as you look -- actually, can you put the class notes on, since you don't actually have your notes to refer to.

如果这样做的话，我们就可以形成氨分子，让我们来做一个课堂练习,你们告诉我氨分子中的键角是多少-,键角，the，h，n，h，bond，angle。,实际上让我在黑板上画出它来，这样你们可以看到实际上-,你能把课堂讲义放出来吗，因为你们没有讲义可以参考。

麻省理工公开课 - 化学原理课程节选