The atmosphere is about twenty-percent oxygen and eighty percent nitrogen from Earth's surface to where space begins at one-hundred-twenty kilometers up.

VOA: special.2011.04.06

The Focault pendulum is one example where you can see that the Earth is rotating around its own axis.

傅科摆就是一个例子,通过观察它,你会发现地球在自转

耶鲁公开课 - 基础物理课程节选

Well, this is one event. This is called, you know, Earth Day.

这是一个活动，叫做地球日。

有很多活动 - SpeakingMax英语口语达人

Marc Rayman says Vesta appears to have a layered structure, one that is similar to planets like Earth, Mars and Venus.

VOA: special.2011.07.27

The suggestion there is that one of the ways that we're God's servants and representatives on earth is to to a positive engagement of diversity.

这暗示我们，我们有一种方式,担当上帝在地球上的仆人和代表,那就是，积极地融合差异。

普林斯顿公开课 - 人性课程节选

The three men had found one of the largest amounts of gold ever discovered lying on the surface of the Earth.

VOA: special.2009.02.04

You konw, the earth is gonna be burnt up by the sun one of these thousands of years.

在未来几千年中的某一年,地球会被太阳燃成灰烬。

麻省理工公开课 - 电影哲学课程节选

One argument against the comet theory is that a comet would have left a large hole in the Earth's surface.

VOA: special.2009.01.20

The one theory made some investigations of earth spores, hoping to find-- what do you call that stuff that floats around and makes you sneeze? Pollen.

有种学说对于,土地孢子进行了调查,期待发现,通过植物种子的变化推定气候状况的方法

耶鲁公开课 - 古希腊历史简介课程节选

One of its official organizers in the United States is a Washington based nonprofit group called Earth Day Network.

VOA: special.2010.04.21

John the Divine had written in Revelation 14 -- you know this: and no man could learn that song but the one hundred and forty and four thousand, which were redeemed from the earth.

圣约翰在《启示录》第14卷中写道--你们都知道：,没人唱的了这首歌，除了那四千一百四十人,那些被从人间救赎的人。

耶鲁公开课 - 弥尔顿课程节选

The total energy reaching Earth from the sun rises and falls by just one tenth of one percent across this solar cycle.

VOA: special.2009.09.29

So how are we to account for the diversification of languages, the spread of different ethnic linguistic groups throughout the lands of the earth if we all come from one common creative moment, one common ancestor?

所以，如果我们都起源于同一个时刻，来源于,同一个祖先，那又要怎样解释语言的多样性，怎样解释,使用不同语言的族群遍布地球上的所有土地,这一现象呢？

耶鲁公开课 - 旧约导论课程节选

Because of Kahn,experts say, one of the poorest countries in the world has one of the most beautiful public buildings on Earth.

VOA: special.2009.12.13

Okay. I know one person in the department who is one of the most connected people I know on earth.

好的，我认识系里的一个人,他是我认识的人中连接性最强的人。

耶鲁公开课 - 心理学导论课程节选

The radio waves are measured when the earth is at two points opposite one another in its orbit.

VOA: special.2009.01.20

One says, leave any body near the Earth, it yields a force.

有人说,在地球表面的任何物体,都会受到力的作用

耶鲁公开课 - 基础物理课程节选

The researchers say the report offers evidence that one or more comets were responsible for a sudden cooling period on Earth's surface.

VOA: special.2009.01.20

I'm the only one around in the earth right now with Shelly Kagan's memories and desires.

我是世界上唯一一个具有Shelly，Kagan记忆和欲望的人。

耶鲁公开课 - 死亡课程节选

Astronomers say it was probably less than one kilometer in size too small to see from Earth.

VOA: special.2009.08.25

it's one of the best places to play in, on the earth.

如果要演奏的话，这就是世界上最好的地方之一了。

纽约的音乐厅 - SpeakingMax英语口语达人

Susan Bass says that this year's Earth Day will be a busy one in the United States.

VOA: special.2010.04.21

But the servant who had been given only one talent hid the talent in the earth so as -- perfectly understandably ] - so as not to risk the only talent that he had been given.

但只得到一枚金币的仆人,把他的金币藏了起来--这可以理解,-为了不使这个他仅有的,金币丢了。

耶鲁公开课 - 弥尔顿课程节选

At the equator, where the Earth is widest, fifteen degrees stretches about one thousand six hundred kilometers.

VOA: special.2010.07.14

One line is the equator. It is an imaginary line around the widest part of the Earth.

VOA: special.2010.07.14

NASA scientists say the Earth-like planets are among one thousand two hundred thirty-five possible planets orbiting other stars that have been discovered so far.

VOA: special.2011.02.09

When this happens, one plate moves past the other, suddenly causing the Earth's surface to split.

VOA: special.2010.01.12

On April twelfth,nineteen-sixty one, he orbited the Earth one time in the Vostok One spacecraft.

VOA: special.2009.06.17

"We are active now in one hundred ninety countries and it's estimated that one billion people participate in Earth Day events around the globe now."

VOA: special.2010.04.21

He discovered that galaxies are moving away from Earth at speeds between three hundred kilometers a second and one thousand eight hundred kilometers a second.

VOA: special.2009.04.29