It is the first time that the world's biggest sports event will be held in Africa.

VOA: special.2010.06.09

It is a Bronze Age culture, and it is the first civilization we know in the area.

这是一个青铜时代的文明,也是我们在此区域所知道的第一个文明

耶鲁公开课 - 古希腊历史简介课程节选

I want to start with a story, a specific story, that in many ways I can say it is the first story, psychological story that I heard of.

我想从一个特别的故事开始，在很多方面，它是我听到过的，第一个有关心理学的故事。

哈佛公开课 - 幸福课课程节选

But it is the first time an amino acid has been discovered on a comet.

VOA: special.2009.09.30

And the first thing you do is ask is it an instance of some problem that other people have already solved?

而且你以前从没碰过这个问题,你首先要做的一件事就是问问自己,这是不是一个别人已经解决了的问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

It is the first time the well known film actress has performed on Broadway.

VOA: special.2010.03.12

And specifically, when we talk about ionization energy, it's assumed that what we mean is actually the first ionization energy.

特别地，当我们讨论电离能的时候，我们默认,这指的是第一电离能。

麻省理工公开课 - 化学原理课程节选

It is the first malaria vaccine candidate to have large success during early testing.

VOA: special.2010.04.20

An ear and an appetite for these sounds of sense is the first qualification of a writer, be it of prose or verse.

这些感性的声音的耳朵和胃口,是作家最基本的素质，不论是写散文还是诗歌。

耶鲁公开课 - 现代诗歌课程节选

He says it is the first cell whose parent was in a computer.

VOA: special.2010.07.20

So it turns out that the very first one, voters are not evenly distributed is certainly true, it's undoubtedly true.

首相想到的就是,现实中选民是不均匀分布的,这的确是毋庸置疑的

耶鲁公开课 - 博弈论课程节选

It is the first book in a series that Mister Burroughs wrote about a man who travels to Mars during the last years of the eighteen hundreds.

VOA: special.2010.07.10

So, that translation causes people to believe that ; The story is giving me an account of the first event in time forward; But it's actually a bad translation.

因此，这种翻译让人们相信,这个故事将讲述时间存在以来的第一件事;,但事实上这是一个有误的翻译。

耶鲁公开课 - 旧约导论课程节选

It is the first album he recorded in the United States.

VOA: special.2010.08.11

So he said, I guess maybe it is my idea I was the first person to write it up.

我斗胆以为这也许是我的想法,有可能真是我第一个将其记录

耶鲁公开课 - 金融市场课程节选

It is the first feature film for director Gareth Edwards.

VOA: special.2010.10.29

The first words or first line out of his mouth or the first lines are " "it is customary," he says.

他开头的前几个字,或前几行是,他说：，“按惯例。

耶鲁公开课 - 政治哲学导论课程节选

"It's a big deal. How big a deal you have to measure piece by piece but clearly it is the first major change in our health care system since nineteen sixty-five so that's a long time coming."

VOA: special.2010.03.27

Is this possible? That's what the first law says it's possible; work is heat, and heat is work, and they're the same thing. You can break even 100% maybe. So let's go back and see what work is.

00%的效率,我们可以从大气中吸收热量，用来驱动我们的汽车,效率也应该能达到。

麻省理工公开课 - 热力学与动力学课程节选

"That is the case today. And it is the first time any president has acted outside the June 1 time frame,".

VOA: standard.2009.04.15

So what that means is the compiler is actually going to first "cast" so to speak 13 from whatever it is - to a float -- to a floating point value -- and then perform the division for us.

所以这里的意思是编译器将,做“计算“，譬如13这样一个浮点数,-到另一个浮点数-,然后为我们处理除法。

哈佛公开课 - 计算机科学课程节选

It is the first time the technique has been used to document how the brain processes grammar and produces words.

VOA: standard.2010.01.15

If not, if they were entitled to whatever it was that enabled them to gather the wealth, the first principle is matched.

如果不是偷来的，如果他们,有权享有那些生产资料，那就算符合第一条原则。

耶鲁公开课 - 公正课程节选

It is the first time the North has ever paid such an explicit tribute to a South Korean leader.

VOA: standard.2009.08.21

We first have to get about the more general question what is it for me to survive period.

我们首先要解决更综合的问题,我阶段性不死意味着什么。

耶鲁公开课 - 死亡课程节选

The summit is the first ever between the EU and Pakistan and it was marked by warm words on both sides.

VOA: standard.2009.06.17

So, that's the first point: It's material. The second point is that narrative has a form, and that it can be constructed, built.

这就是我第一个观点：它是物质的，第二个理由是,叙述故事有一个框架，它可以像一个手工品一样。

耶鲁公开课 - 1945年后的美国小说课程节选

Dieng says it is the first time that such a court decision has been put into action.

VOA: standard.2009.08.27

If you flip the Periodic Table over you will have the ionization energy of sodium, first ionization energy, 5eV and it is about 5 eV which, when you convert, 496kJ/mol is a whopping 496 kilojoules per mole.

如果浏览周期表,你可以得到钠的离子化能，第一电离能，大约，当你转换的时候，是巨大的。

麻省理工公开课 - 固态化学导论课程节选

So let me start off with-- is this the first day of shopping or was it yesterday?

首先我想问一下,第一次的试听课是今天还是昨天

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选