Of course,with signers,their first language has no written system at all, just hand gestures.

VOA: special.2011.04.13

First of all, it will only be a minute or two at a time, maybe once or twice a lecture.

首先，每次只有一两分钟，一堂课最多不超过两次。

哈佛公开课 - 幸福课课程节选

Yeah, so first of all, I always wanted to, at least, stay for a while in the U.S.

首先，我一直就想，想在美国至少呆一段时间。

一见钟情的学校 - SpeakingMax英语口语达人

And that was not all. "Andrew Jackson's inauguration was the first at which large crowds of American citizens witnessed the swearing-in ceremony, the parade, and went to the White House following the swearing-in ceremony at the Capitol.

VOA: special.2009.01.19

And let's say our second electron now is really far away, such that it's actually not going to shield any of the nuclear charge at all from that first electron.

距离原子核非常非常近,我们说第二个电子处于非常远的位置,这样它不会对第一个电子,感受到的来自原子核的电荷量有任何屏蔽作用,我们最后要说的是。

麻省理工公开课 - 化学原理课程节选

Of course,one of the first rides at Disney Land was a train that ran all around the park."

VOA: standard.2010.02.26

Okay. First of all, let's look at the simile that compares Satan's shield to the moon.

首先，我们来看看这些将,撒旦的庇护地比作了月亮的明喻。

耶鲁公开课 - 弥尔顿课程节选

"The right environment means, first of all, looking at the list with the United Nations and removing names that are not part of al Qaida, that are not part of a terrorist network, that are just there because somebody decided to put them in,"

VOA: standard.2009.03.28

So, first of all, let's take a look at how we conduct science.

第一点，我们看看,如何去研究科学。

麻省理工公开课 - 固态化学导论课程节选

And we've got to earn their trust," The president spoke at the end of his first formal meeting with all of the members of his Cabinet - except for Health and Human Services Secretary-designee Kathleen Sebelius who is awaiting Senate confirmation.

VOA: standard.2009.04.20

OK. So if I look at this code, first of all I'm calling search, it just has one call, so looks like search is constant, except I don't know what happens inside of b search. So I've got to look at b search.

首先调用一下搜索，就一步调用,看起来搜索是固定的，除非我不知道二分搜索的原理，那我们来看看二分搜索吧,所以让我们看看，第一行打印出来的内容。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's just hard to keep track of them at first but they all generally mean the same thing, provide additional input to this program called GCC by just specifying it on the command line.

刚开始是很难理解这些词的,但其实都是一个意思，所以，只要在命令行上为这个程序,再添加一个名曰GCC的输入就OK啦。

哈佛公开课 - 计算机科学课程节选

First of all, corpses and certain carcasses at are a source of ritual impurity: sara'at, which is this--we translate it "scale disease," it's been called leprosy. It's definitely not leprosy.

首先是尸体和一些动物的尸体,它们是仪式上不洁的一个来源，sara’,这个词我们翻译过来是“一种大规模的传染病“,也就是麻风病，事实上它并不是麻风病。

耶鲁公开课 - 旧约导论课程节选

I'll just give you a few. First of all, there are the tears looking at Remedios Varo"s painting of the women in the tower embroidering the long tapestries that become the world.

我会说一些,当她在墨西哥看Remedios，Varo画的女人在塔中绣着挂毯的画,眼泪不断地出现在她的泡沫阴影里,那孤立在塔中的景象。

耶鲁公开课 - 1945年后的美国小说课程节选

Let's look first of all at the radius of the orbit.

首先是轨道半径。

麻省理工公开课 - 固态化学导论课程节选

First of all, let's take a look at his experiment.

首先，让我们来看看他的实验。

麻省理工公开课 - 固态化学导论课程节选

Well, first of all, let's look at the Lewis structure.

好，首先，我们看看它的路易斯结构。

麻省理工公开课 - 固态化学导论课程节选

For those of you don't know what that is it's simply an instrument that counts radioactive particles in the air, and MIT now that you're at MIT, you'll all have a chance to see one first hand if you're ever in any of the labs, especially in the chemistry or bio labs.

不知道它是什么,它就是一个简单的,计算在空气中放射粒子数目的仪器,你们现在来了，如果你们在实验室里工作的话,尤其是化学和生物实验室，你们有很多机会亲手用到它。

麻省理工公开课 - 化学原理课程节选

Well, first of all, look at the data.

首先，观看这些数据。

麻省理工公开课 - 固态化学导论课程节选

Let's look at electron filling first of all.

让我们先来看看电子填充。

麻省理工公开课 - 固态化学导论课程节选

I can either look at my flow chart, or I can look at the code. If I look at the flow chart, it says, I'm at this point. Look at ANS squared. Is it less than or equal to-- sorry, first of all, 0 ANS squared is 0, is it less than or equal to x, yes.

我可以看流程图也可以看我的代码,如果我看流程图的话，流程图这么说的，在这一点，看看ANS的平方,看是不是小于等于-对不起，首先，ANS的平方是。

麻省理工公开课 - 计算机科学及编程导论课程节选