We did not know how quickly it was going to move. flu, you cannot catch up.

VOA: standard.2009.05.03

Not only did we figure out a way to describe how we quantify it, but we've also quantified how we tell the difference between covalent and ionic, and percent ionic character.

我们不仅想出了一个办法来描述,我们如何定量它，而且我们也定义,我们如何分辨共价性和离子性，以及离子百分数。

麻省理工公开课 - 固态化学导论课程节选

Here just two, so we changed the number of moles of gas by three. All right, how much did it matter, right?

所以我们将气体的摩尔数,改变了3摩尔，好，它会起多大作用？

麻省理工公开课 - 热力学与动力学课程节选

They did it again, even more decisively in World War Two, and that's how we got progressive taxes.

而二次世界大战时，他们毫不犹豫的，再次提高了对富人的征税，这就是累进税的由来。

耶鲁公开课 - 金融市场课程节选

How do we know this always stops? I mean, I ran three trials here, and it did. But how would I reason about, does this always stop?

我指的是我在这儿试了三次，它都停了，那这是为什么呢？,它总是会停下么？

麻省理工公开课 - 计算机科学及编程导论课程节选

if you don't want to use that, you can also derive it as we did every time, it should intuitively make sense how we got there. But the exams are pretty short, so we don't want you doing that every time, so we'll save the 2 minutes and give you the equations directly, but it's still important to know how to use them.

吸收的和发射的，如果你不想用公式,你也可以每次都向我们这样推导它,很直观的就能得到结果，但考试时间很短，我们不希望你们每次都推导,所以我们会直告诉你，让你节省2分钟，但知道如何应用它十分重要。

麻省理工公开课 - 化学原理课程节选

We did it for silly purposes just to see how big each data type was, but on most systems the size of a char is what?

只是为了很傻的目的,来看看每个数据类型多大，但是在大多数的系统中char的大小是多少呢？

哈佛公开课 - 计算机科学课程节选

How did we put our gene fragments into this plasmid DNA in order to make multiple copies of it, or to clone the gene?

如何把基因片段整合到质粒DNA上,来获得大量拷贝,或者说来克隆基因呢

耶鲁公开课 - 生物医学工程探索课程节选

How we can make a dream into reality-- whether it's political dream-- " we'll talk about Martin Luther King's dream approach- how he did it and what he did; or a personal dream, Bandura where we'll talk about the work of Herbert Benson as well as Bandura.

如何才能将梦想变成现实-,可以是政治梦想-,我们将谈到马丁路德金的“梦想法-,他是如何做到，做了什么;,也可以是个人梦想，我们会谈到Herbert，Benson和。

哈佛公开课 - 幸福课课程节选

And the good news was we didn't have to worry about how math did square root or anything like that, we just got it and we used it.

也可能是其他数，好消息是,我们不必担心math函数是怎样开方的,我们只要使用它就好。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, this is an absolutely outstanding discovery, even though, if we think about it, what is the probability that this happened, how often did this happen?

0个alpha粒子，这绝对是一个，很了不起的发现，虽然我们仔细想想？

麻省理工公开课 - 化学原理课程节选