Someone with both feet on the ground may not be as open and easy to deal with as someone who is down to earth.

VOA: special.2009.03.08

So, if instead you put your particle somewhere down here on the electric field, or on the wave, the electric field will now be in the other direction so your particle will be pushed the other way.

还有方向，所以如果,你把粒子放在这下面，电场的方向相反,粒子会朝另一个方向运动。

麻省理工公开课 - 化学原理课程节选

So since we have two lone pairs, we're going to be pushing down even further on the bonding electrons, so we're going to smoosh those bonds even closer together.

因为我们有了两个孤对，我们会把成键电子,更加向下压，所以我们把这些键更加紧得推到一起。

麻省理工公开课 - 化学原理课程节选

Economist Gianluca Benigno of the London School of Economics says cracking down on tax havens should not be an immediate concern.

VOA: standard.2009.04.02

Science can be hands-on, you might be down at the lake picking up algae and studying them or something, that would be hands-on.

科学研究也是要动手的,你可能会到湖底,收集水藻并研究它们,这就是动手操作

耶鲁公开课 - 生物医学工程探索课程节选

The Obama administration is engagedin a review of U.S.strategy in Afghanistan, and worries on the left about the U.S.getting militarily bogged down will be part of the broader political debate in Washington.

VOA: standard.2009.09.28

It's a bad habit to get into, because when you come back to it, it may haunt you later on down the road. So really get into that notion of trying to be defensive as you program.

来运行程序的时候,错误就会出现缠住你了,因此现在我们真的要培养,在程序中有防卫性设计的概念。

麻省理工公开课 - 计算机科学及编程导论课程节选

He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.

他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。

麻省理工公开课 - 媒体、教育、市场课程节选

You got to be good at writing down the forces acting on a body.

你得擅长列出物体上的作用力

耶鲁公开课 - 基础物理课程节选

this is on page 847 about halfway down the left-hand column: segment of language can never in the final analysis be based on anything except its noncoincidence with the rest.

翻到847页的左下角：,对于语言片段的理解,只能基于它和其他语言的不相似处。

耶鲁公开课 - 文学理论导论课程节选

But I imagine that after a period, there'd be this-- Well, humans have this ability to look down on their experiences, or step back from their experiences, and assess them.

但我想经过一段时间后-,人类有能力审视自己的体验，或从体验中抽身而出加以评估。

耶鲁公开课 - 死亡课程节选

One of them was Bear Stearns so I don't know whether they're still on the list maybe they are maybe they're not; we might be down to nineteen.

其中一家是贝尔斯登，所以我不知道,它是否还在那名单上,也许在，也许不在了；,所以我们也许可以说名单上有十九家。

耶鲁公开课 - 金融市场课程节选

People who came by land you would be hearing rumblings about down the road from villages that were spread out, but if somebody comes in from the sea on a ship, you may find them there in the morning and you don't know what's what.

陆上来客总伴随着车马隆隆声,沿着途经的村庄一路传来,但是如果有人乘船从海上到来,当他早上来到时你会发现,你对他一无所知

耶鲁公开课 - 古希腊历史简介课程节选

So there's going to be lots of times in this class when we get to play games, we get to have classroom discussions and so on, but there's going to be some times when we have to slow down and do some work, and the next twenty minutes are going to be that.

我们在课上会经常,通过游戏学习博弈,我们还会举行随堂讨论等等,但是我们也需要花费一些时间,来慢慢研究一些问题,接下来的二十多分钟就是这样的

耶鲁公开课 - 博弈论课程节选

Because of the climate and because of certain things growing in different parts of the world--and by the way, I see some of you kind of struggling to keep up with some of the things I'm doing on the slides, but I'm hoping to make broad points here, and again, the slides will be posted on the website so don't worry so much if you're not able to get everything down.

因为气候以及其他的一些原因,在世界不同地方种植,顺便说一句,我发现某些人很费力地,记录我幻灯片里的一些内容,但是我这里只想介绍大体框架,而且课件会上传到网络上,因此不要担心不能记下所有内容

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The only thing that's different is that they're one down on the periodic table, potassium is down one row, so it's going to be a little bigger, but when we're thinking about size, it maybe does not seem that significant to talk about the size.

它们唯一的不同点,就在于其中一个在周期表的下面，钾在下一行，因此它要稍微大一些，但是当我们考虑尺寸的时候，似乎讨论尺寸的意义不大。

麻省理工公开课 - 化学原理课程节选

Once you're doing this on your own, -- especially, for example, on exam 2, which is a ways down the road, you won't be able to look at those steps, so you need to make sure that you can go through them without looking at them, but for now we can look at them as we are actually learning how to draw the Lewis structures, and rather just go through them step-by-step, it's more interesting to do it with an example.

每当你要画一个路易斯结构的时候，特别是，比如，在第二次考试中，在不远的将来，你将看不到这张表，因此你需要确保自己在不看这张表,的情况下也能按照上面的流程来画，但是目前我们是可以看着这张表,来学习如何画路易斯结构的，而相比于一步一步地讲，通过例子来演示一下会更有意思。

麻省理工公开课 - 化学原理课程节选