Armstrong began to describe what he saw: "The surface appears to be very, very fine grain,like a powder.

VOA: special.2009.07.15

But we can use equations that describe waves to describe matter, and that's what we're going to be doing today.

但我们可以用描述波的方程,来描述物质，这就是我们今天要做的。

麻省理工公开课 - 化学原理课程节选

I don't--I could describe you and start to think about you not as a person and language can be used for this.

我可以把你描述成，或想象成,不是一个人，而我可以利用语言做到这点。

耶鲁公开课 - 心理学导论课程节选

The expression may be used to describe a politician's last campaign, his final attempt to win the cheers and votes of the people.

VOA: special.2010.04.11

And inside of the machine, and things we'll talk about, there is a process that will allow that sequence to be executed as described in that recipe, so it can behave like any thing that I can describe in one of those recipes.

在机器里面，还有我们要说的，里面有一个我们允许的,在方法中描述的,将要被执行的序列的过程，因此它可以像我在方法之中,描述的任意一种那样来表现。

麻省理工公开课 - 计算机科学及编程导论课程节选

Yet the expression also can be used to describe the top person in any area.

VOA: special.2009.11.29

Well, actually, the first remark is, probably wouldn't be completely accurate to say, to describe these views as saying, " "It's being alive per se."

实际上，第一个评价是，也许这种说法不完全准确，他们把这些观点描述成为，“活着本身“

耶鲁公开课 - 死亡课程节选

"We hope to receive entries that describe how specific innovations have improved the lives of women and girls,and proposals for how they can be scaled up and applied more broadly."

VOA: standard.2010.04.28

So, then we'll get to turn to a new kind of mechanics or quantum mechanics, which will in fact be able to describe what's happening on this very, very small size scale -- so on the atomic size scale on the order of nanometers or angstroms, very small particles.

然后我们要讲到一种,新的力学--量子力学,它可以解释,发生在很小尺度,大约是原子尺寸大小,也就是纳米或埃的量级。

麻省理工公开课 - 化学原理课程节选

Okay, now let's make this first battle I'm going to describe for you to be as clear cut as we can make it, and it probably never was like that.

好的 现在,让我们打响第一场战斗,我们做得尽量简洁些,也许事实上的战斗并非是这样

耶鲁公开课 - 古希腊历史简介课程节选

So what we would like to do is to describe what the object does by drawing a graph of time versus space and the graph would be something like this.

然后我们要做的就是描述这个物体的运动,通过画一个"x-t"图,画出来的图就像这样

耶鲁公开课 - 基础物理课程节选

Whatever the details might be, we could describe lives and say, whether or not their life was good as a whole, what the future holds out for them is negative.

不管详细情况是什么，我们可以把他们的生活形容为，不管他们一生的生活是否美好，他们的未来都是不容乐观的。

耶鲁公开课 - 死亡课程节选

This is a terribly stressful experiment to do to people and, as I say now about a lot of studies that I describe in this class, it would not today be done.

这些在人身上进行的实验非常有压力,正如我说过，有很多,我在课堂上讲过的实验，在今天都是不能进行的。

耶鲁公开课 - 心理学导论课程节选

It turns out that we are far from the first people, although it felt exciting, we did not discover this for the first time here today. In fact, J.J. Balmer, JJ Balmer who was a school teacher in the 1800s, was the first to describe these lines that could be seen from hydrogen.

实际上，它第一次被发现已经是在很早之前了，虽然我们觉得很激动，但我们,并不是第一次发现这个的，事实上，一个19世纪的老师,是第一个在氢原子中发现这些谱线的人。

麻省理工公开课 - 化学原理课程节选