"The thing about poets," he says, "is they like to stay up and talk until about four in the morning.

VOA: special.2009.04.27

We've probably had four major periods in American history of there's one other picture I wanted to put up.

在美国历史上,我们大约经历了四个时期,在我想贴的另一张图片上

耶鲁公开课 - 美国内战与重建课程节选

And four people came up to me and just be like,

四个人朝我走过来，就像这样，

交新朋友的方法 - SpeakingMax英语口语达人

Yet up at about five-thousand-four hundred meters the air pressure is only about half of what it is on the ground.

VOA: special.2011.04.06

I've got two states here, three states here, two here, I need four, and if I can come up with these bonds, four, by the Hund rule I'd fill them like this.

我们已经有2个状态在这里，3个在这里，2个在这里，我需要4个，如果我能想到这些键，四个，通过洪特规则，我们就能像这样排布。

麻省理工公开课 - 固态化学导论课程节选

In the winter of nineteen sixty-four, the Beatles packed up their electric guitars,drum kits, and rebellious ways and set off for America.

VOA: special.2010.07.30

And so what we ended up doing is the last four weeks of class after we had grounded it in the history of the modern university, understood the structure of it, we had the students select topics that they were really interested in.

所以我们最后选择,在最后四周，在我们了解了,现代大学的历史，理解大学的结构之后，我们让学生们选择一些,他们真正感兴趣的话题。

普林斯顿公开课 - 人性课程节选

It stood four to six meters tall, was about twelve meters long, and weighed up to seven tons.

VOA: special.2009.09.01

If something happened to a grandparent, I'm counting. Up to four I don't get suspicious.

如果谁的祖父母或者外祖父母不幸离世,我会记着的,4个以下我是不会怀疑的

耶鲁公开课 - 基础物理课程节选

She was nineteen. Those who knew Ida Tarbell in college say she would wake up at four o'clock in the morning to study.

VOA: special.2010.04.25

So, initially they came up with four lines and then eventually five and even six, and then they went back to five by the fifteenth century.

那么,他们最初提出的是四条线,但是最终却是五条线,甚至六条线,然后在十五世纪又回到了五条线

耶鲁公开课 - 聆听音乐课程节选

In seven innings, he gave up only four hits and two earned runs against the Pittsburgh Pirates.

VOA: special.2010.06.18

And you can open up this cabinet and you can see four months.

打开橱柜,你可以看到四个月。

普林斯顿公开课 - 国际座谈会课程节选

(Music) Animal Collective is a music group made up of four friends who met in Baltimore,Maryland.

VOA: special.2009.12.11

By extending your time horizon to three years, or four years,or five years, it opens up a whole host of investment opportunities that aren't available to people that are playing this silly,short-term game.

只有通过将投资延长至三年,四年乃至五年,才会出现大量的获利机会,沉迷于愚蠢的短线操作,是无法得到这些机会的

耶鲁公开课 - 金融市场课程节选

They were designed to fly at speeds up to six thousand four hundred kilometers an hour.

VOA: special.2010.07.07

I was in The British War Museum, the Imperial War Museum the other day, and I'd been there four or five times, and I went--and they have a thing where you can look up dead people.

我去过英国军事博物馆,有一天去帝国军事博物馆,我去过四五次了,我又去了,那有一个,东西你可以搜索阵亡人

耶鲁公开课 - 1871年后的法国课程节选

They travel up to four thousand eight hundred kilometers, from as far away as Canada.

VOA: special.2010.04.27

We got them from combining again, 1 s orbital and the 3 p orbitals. If we hybridize these, what we end up seeing are these four hybrid orbitals.

我们把1s轨道，和3p轨道结合而得到它们，如果我们杂化它们，我们最后会看到4个杂化轨道。

麻省理工公开课 - 化学原理课程节选

Experts at the Centers for Disease Control and Prevention say hospital treatment for likely H1N1 is most common among children up to four years old.

VOA: special.2009.11.24

There's two, three hands going up, four, five hands going up.

两个,三个人举手了,四个,五个

耶鲁公开课 - 博弈论课程节选

Qualified buyers can receive up to four thousand five hundred dollars toward a new vehicle.

VOA: special.2009.08.07

And you can't... If the brain was wired up like a personal computer, it would take you four hours to recognize a face, but in fact, we could do things extremely quickly.

你无法,如果大脑是像个人电脑那样组装起来的话,那你识别出一张面孔就得花上四个小时,但事实上,我们能够非常迅速地完成某些事情

耶鲁公开课 - 心理学导论课程节选

It permits them to stay in the United States for up to four years.

VOA: special.2010.06.14

So the Diadokhoi, the Greek plural of Diadochi, as we often refer to it, ended up splitting his army into four parts and four dynasties descending from the four successors.

所以这四个Diadokhoi，也就是Diadochi的复数形式，我们通常用这个词，最终将他的军队分割为四个部分,由此产生了四个王朝。

耶鲁公开课 - 新约课程节选

"In the United States, one is expected to go to high school for four years and you get a diploma just for showing up or attending.

VOA: special.2010.02.25

Yeah, so I ended up getting into those four.

是的，我最后被这四所学校录取。

学习化学专业的原因 - SpeakingMax英语口语达人

It can grow up to four meters tall. With about one and one-half meters of rainfall each year, plants and trees never stop growing in the Everglades.

VOA: special.2009.06.30

How many we got up front? Four?

前面有多少人,四个吗

耶鲁公开课 - 古希腊历史简介课程节选

While there are only four different bases that make up either RNA or DNA, and so the complexity of an RNA polymer is limited.

在RNA或DNA的构成中,只含四种不同的碱基,因此一个RNA分子的复杂程度是有限的

耶鲁公开课 - 生物医学工程探索课程节选