It thundered into space perfectly, pushing an unmanned Apollo spacecraft more than eighteen thousand kilometers up into the atmosphere.

VOA: special.2009.07.08

Sometimes they give you the speed in miles per hour, kilometers per year, pounds per square foot.

有时候速度的单位是英里/小时,千米/年,英磅/平方米

耶鲁公开课 - 基础物理课程节选

Soldiers were expected to be able travel thirty kilometers per day, in full pack.

士兵一天可以行进30千米，在全副装备的情况下。

耶鲁公开课 - 新约课程节选

But in the western United States, there are highways where the speed limit is one hundred twenty-five kilometers an hour.

VOA: special.2010.04.26

Versailles is only eighteen kilometers away.

凡尔赛离巴黎只有十八公里

耶鲁公开课 - 欧洲文明课程节选

Beauregard had twenty thousand soldiers at Manassas Junction, a railroad village in Virginia less than fifty kilometers from Washington.

VOA: special.2009.08.27

But,the turbo-prof will be somebody who is assigned to Reims, and who takes the train there every day, or to Tours; but to Lyon also since this is only two hours, this is four-hundred kilometers.

不过涡轮教授被派到兰斯教书,他每天都要坐火车往返,抑或是去图尔斯,从这里去里昂要用两小时,这有四百公里

耶鲁公开课 - 1871年后的法国课程节选

The debris now circles the Earth in orbits from two hundred kilometers to over three thousand eight hundred kilometers.

VOA: special.2009.04.01

Generally I can bear who is now Ambassodor said you need to have the engineers following 1 kilometers behind the troops when they entered to this areas to show the people that we were there, we were there to stay. That remains true.

我可以理解现任大使所说的,紧跟着军队之后，我们还需要工程师来建设这个国家,这些工程师进来之后，当地人民就知道我们在这里，我们要留在这里，而这也是事实。

普林斯顿公开课 - 国际座谈会课程节选

It can be driven three hundred kilometers on the hydrogen cell and an additional fifty kilometers on its batteries.

VOA: special.2009.09.07

They used even a horseback relay that could go a hundred kilometers a day.

采用了马背接力的形式，一日可以行进100千米。

耶鲁公开课 - 新约课程节选

Then the show moved to the Grand Ole Opry House, fourteen kilometers east of the center of the city.

VOA: special.2010.05.17

His records include bouncing a ball the fastest for one mile,or 1.6 kilometers, on the Great Wall of China.

VOA: special.2011.05.16

On April twentieth an oil drilling rig, the Deepwater Horizon, exploded and sank about eighty kilometers from the Louisiana coast.

VOA: special.2010.05.04

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

For example, a person was 20% more likely to feel happy if a friend living within 1.5 kilometers was also happy.

VOA: special.2009.01.21

But they have been reported to move in other directions and as fast as one hundred seventeen kilometers an hour.

VOA: special.2010.05.11

If you lined up all the stores side by side, they would cover a distance of almost seven kilometers.

VOA: special.2010.08.13

He faced winds blowing more than one hundred twenty kilometers an hour, and ocean waves at least twenty meters high.

VOA: special.2009.03.22

These studies must consider wildlife activity up to about three thousand meters above an airport and eight kilometers around it.

VOA: special.2009.04.01

American Defense Secretary Robert Gates says the Iranian missile will be able to travel up to two thousand five hundred kilometers.

VOA: special.2009.05.23

At the end of the test flight,the speed of the Apollo spacecraft was increased to forty thousand kilometers an hour.

VOA: special.2009.07.08

In some cases, the resulting paths of damage can stretch more than a kilometer wide and eighty kilometers long.

VOA: special.2010.05.11

The eastern part of the Great Pacific Ocean Garbage Patch is about one thousand six hundred kilometers west of California.

VOA: special.2009.09.22

But now,military officials say the area held by the Tamil Tigers has been reduced to just a few square kilometers of beachfront.

VOA: special.2009.05.16

But it represents a loss of about five hundred ninety thousand kilometers from the yearly average between nineteen seventy-nine and two thousand.

VOA: special.2009.05.05

The nearest port was more than one thousand kilometers away from where the gold discovery had been made.

VOA: special.2009.02.04

Then,on April twenty-fifth, General Taylor received word that a large Mexican force had crossed the border a few kilometers up the river.

VOA: special.2009.02.26

And they had to defend a line almost sixty kilometers long, from Richmond to the city of Petersburg.

VOA: special.2009.12.17

LCROSS will then study the soil thrown up to ten kilometers above the lunar surface before it too crashes into the moon.

VOA: special.2009.09.30