Earlier this month, Michelle Obama and twenty-three schoolchildren helped prepare the ground for an organic vegetable garden on the South Lawn of the White House.

VOA: special.2009.03.31

So it's really a training ground for the final paper, and we have found that people don't succeed in the course in the final paper without the training they get in section discussion, which is why section participation is worth ten percent of your grade.

所以讨论课也是为期末测试而训练的一个基础部分,我们曾发现没有在讨论课上的训练学生是没法,通过期末考试的，这也是为什么讨论课,的出勤率占你们分数的百分之十的原因。

耶鲁公开课 - 旧约导论课程节选

But it is interesting. Let's just, for an order of magnitude say what happens for ground state electron in atomic hydrogen?

但行星模型其实挺有趣的，按照重要的先后顺序，我们来猜想一下,氢原子中的基态电子会发生些什么？

麻省理工公开课 - 固态化学导论课程节选

He says you can harvest parsley by cutting most of the plant, or leave more of the plant in the ground for a second crop.

VOA: special.2009.06.02

The argument is exactly the same for Nietzsche, only he shifts the ground of attack.

这和尼采的观点完全相同，只是他转移了关注点。

耶鲁公开课 - 文学理论导论课程节选

Two hours after arriving, they began to prepare the ground for planting.

VOA: special.2009.06.04

So, for example, you know, I'm going to calculate next when it hits the ground.

比如说,我下面要来算,物体何时落地

耶鲁公开课 - 基础物理课程节选

His job is to prepare the ground for indirect talks that the United States will mediate.

VOA: standard.2010.05.03

And the challenge that we gave to ourselves is can we do that packaging in such a way that lays a ground work for community learning coming out of people who got involved in looking at the experiment of knowledge updates.

我们自己面临的挑战是,究竟能否,借用技术打包,为知识更新实验的,观看者的群体学习打下,坚实的基础。

麻省理工公开课 - 媒体、教育、市场课程节选

The cemetery started as a burial ground for American Civil War dead.

VOA: standard.2010.05.26

We knew from Friday, when we talked about energy, that ground state was that n equals 1 value, that was the lowest energy, that was the most stable place for the electron.

我们上周五知道了，在讨论能量的时候，基态指，n等于1的态，它能量最低，是，最稳定的态。

麻省理工公开课 - 化学原理课程节选

The pools become a breeding ground for mosquitos. ...

VOA: standard.2010.03.29

For example, if t* is the time you hit the ground, then t* satisfies the equation h - 1/2 g ^2 = 0.

例如,如果在 t* 时刻落地,那 t* 就满足等式 h - 1/2 g ? ^2 = 0

耶鲁公开课 - 基础物理课程节选

The governor's spokesman,Irmasyah, who goes by one name, says there are concerns the islands will become a dumping ground for refugees (Speech) "We do not want our region to become a shelter,".

VOA: standard.2009.10.27

Let us say P for plane, G for ground, O for object.

我们定义 P 是平面,G 是地面,O 是物体

耶鲁公开课 - 基础物理课程节选

During an appearance on the NBC television program Meet the Press, Specter said he would also like to see the president reach beyond the federal court system - the traditional training ground for members of the high court.

VOA: standard.2009.05.03

"I think the position of providing a middle ground for President Bashir, not denying the ICC decision, but asking for it to be postponed, and giving Bashir some breathing space is a way for the regimes such as Egypt and Saudi Arabia to indicate that they do have a position independent from the West,".

VOA: standard.2009.03.26

Spreading mulch before the ground has frozen may attract small animals searching for a warm place to spend the winter.

VOA: special.2009.06.30

"This is ground zero for the nation." Democrats in the state Senate fled to the neighboring Midwestern state of Illinois.

VOA: special.2011.02.25

Sharp words from a teacher,for example, can usually get a daydreaming student to put both feet on the ground.

VOA: special.2009.03.08

This makes it more difficult for the body to effectively use the same amount of oxygen as it would on the ground.

VOA: special.2009.07.14

It,too,is hungry. Traveling across the ground at great speed, the cat nears the area where the pig is fighting for its life.

VOA: special.2010.04.07

The pilot spent fifty hours in a simulator -- a copy of the plane on the ground -- preparing for his ten-minute flight.

VOA: special.2010.07.07

For he will have been elected on such ground that he cannot possibly save the Union afterwards."

VOA: special.2009.12.10

We slept on the hard ground, ate canned beans from cold metal plates and spent our days in the difficult search for gold.

VOA: special.2009.07.04

But lawmakers have yet to find common ground on how to pay for it.

VOA: special.2009.05.15

By supporting nuclear energy, the president may be seeking common ground with Republicans who have called for building as many as one hundred new nuclear power centers.

VOA: special.2010.02.19

Men lay flat on the ground. They prayed for the shelling to stop.

VOA: special.2009.11.05

Some cleared the ground of trees and cut them into wood for houses.

VOA: special.2009.05.28

He urged the two sides to look for common ground.

VOA: special.2010.02.27