For chest thrusts, put your arms under the victim's arms and your hands on the center of the victim's chest.

VOA: special.2009.08.11

The center of excess negative charge on all of the dipoles is at the very center of the molecule.

多出来的键,的负电荷中心都集中在,分子的正中间。

麻省理工公开课 - 固态化学导论课程节选

There are also audio recordings of the poets that we will be reading that come from Sterling and you can get to on the Center for Language Study website.

还会有一些关于诗人们的录音文件,在史德林图书馆里有，我们会在课上读到,这些文件你们可以在语言学习中心的网页上找到。

耶鲁公开课 - 现代诗歌课程节选

Place your hands, one on top of the other, on the center of the chest.

VOA: special.2009.06.09

If we overlay what the actual molecular orbital is on top of it, what you see is that in the center you end up cancelling out the wave function entirely.

如果我们把真实的分子轨道覆盖在上面，你可以看到中间的,波函数是完全抵消掉了。

麻省理工公开课 - 化学原理课程节选

The four levels of rooms center on a beautiful courtyard with a glass ceiling to let light shine in.

VOA: special.2009.01.11

There were always battles and wars going on, on the boundaries, the frontiers of the Roman Empire, but within the center of the empire there was an amazing period of peace.

战争永远都在进行，在边界，罗马帝国边境，但在帝国中心却是一派和平盛世。

耶鲁公开课 - 新约课程节选

The British Hudson's Bay Company also built a trading center on the Columbia and claimed a large area north of it.

VOA: special.2009.02.19

But can you see that the centers of electron deficiency lie on a sphere equidistant from the center?

但你看得到么,缺电子的地方分布在,与中心等距的一个球面上？

麻省理工公开课 - 固态化学导论课程节选

Ms.Gass used cloth and paints to create an image of a water treatment center on the San Francisco Bay.

VOA: special.2011.06.15

Kelly Brownell is going to talk--is head of the Rudd Center, focuses on obesity, eating disorders, dieting, and he'll talk about the psychology of food.

凯莉·布洛耐尔,是路德研究中心的领导者,主要研究肥胖症,进食紊乱和节食方面的问题,他会为大家讲述饮食的心理学

耶鲁公开课 - 心理学导论课程节选

Millions of immigrants coming to America passed the statue as ships carried them to the immigration processing center on Ellis Island.

VOA: special.2010.05.13

She and the Chevy seemed parked at the center of an odd religious instant, as if on some other frequency, or out of the eye of some whirlwind rotating too slow for her heated skin even to feel the centrifugal coolness of words were being spoken.

她和她的雪佛兰车，似乎停在了,一个宗教瞬间的中心，就像在其他的频率上，又像是离开了旋风的风眼,风转的如此之慢，以至于她灼热的皮肤,感觉不到言语带来的，离心般的寒冷。

耶鲁公开课 - 1945年后的美国小说课程节选

Barbara Klein has more. On Sunday,actors,directors,writers,producers and others will gather in Hollywood,California,the center of the American film industry.

VOA: special.2009.02.20

If you put the electrode in just the right place, then when the electrode gets turned on, it stimulates the pleasure center in the rat's brain and it gets a little burst of pleasure, a pretty intense burst of pleasure.

只要把电极放对地方，然后启动电极，刺激老鼠大脑的快乐中枢,老鼠感受到一股快感，一股很强烈的快感。

耶鲁公开课 - 死亡课程节选

He began to work on one of his long-time dreams - opening a sports center for the young people of San Juan.

VOA: special.2010.04.11

So this is a subtle thing because you think about the current election, there's a debate about whether Hilary Clinton, for example, can choose right now to be at the center of the democratic party given her past history of votes, for example, on the Iraq War.

这是个微妙的事情,因为你联想到现在的选举,举个例子,关于希拉里·克林顿能否选择,作为民主党竞选中间派参选就颇有争议,考虑到她的参选记录,例如在伊拉克战争中

耶鲁公开课 - 博弈论课程节选

It had demanded the Columbia River border because of the Hudson's Bay trading center on the river.

VOA: special.2009.02.19

So now that means if this is where the center of positive excess charge lies and on top of it is the center there is no displacement of the charge so there is no net dipole.

所以现在我们说,如果正电荷中心,就位于,那么还是在这里负电荷中心也在这里,所以没有空间偶极。

麻省理工公开课 - 固态化学导论课程节选

The Institute opened on the grounds of what was formerly the National Zoo's Conservation and Research Center.

VOA: special.2010.06.22

And that difference is at the center of debate over privacy on Facebook and other social networks.

VOA: special.2010.05.28

If you stand under a skylight in the Visitor Center, you can see the bronze statue of Freedom high up on the dome outside.

VOA: special.2010.01.27

An immigration history center on the island contains the ship records of passengers who entered through New York from eighteen ninety-two through nineteen twenty-four.

VOA: special.2009.06.29

They also keep watch on the American state of Hawaii from an operations center near Honolulu.

VOA: special.2009.03.17

Several modern art exhibits are on the top floor of the Kennedy Center.

VOA: special.2009.03.11

Residents are being forced out of the historic center as they search for cheaper housing and easier living conditions on the mainland.

VOA: standard.2009.11.14

He directs the Center on Democracy, Development and the Rule of Law at Stanford University.

VOA: standard.2010.05.19

As news got out, hundreds of fans converged on the medical center.

VOA: standard.2009.06.26

Shuttle Discovery left behind a pink and gold plume of smoke as it took off Sunday evening, with the sun setting on the Kennedy Space Center in Florida.

VOA: standard.2009.03.15

"If we can reduce some of the capacity on the tube network in the center of London and some of the buses, then that's a good thing."

VOA: standard.2010.07.30