To move an arm, the brain sends a message that causes the chest muscles to tighten.

VOA: special.2009.03.10

Lose an arm, lose a leg, lose the brain--he is not alive.

没了胳膊，没了腿，但没了大脑，人不可能活下去。

耶鲁公开课 - 死亡课程节选

Let's get somebody. There's a guy waving an arm out there.

我们换个人吧,那个在挥手的人

耶鲁公开课 - 博弈论课程节选

Curiosity even has an arm that can touch things and send the information back to Earth.

VOA: special.2011.04.26

It becomes an arm-twisting thing -because of this risk of moral hazard, the bank has a threat to take the money back and they are going to find out quickly if you, as a company, are behaving wrong.

这衍变成一种施压行为...,由于道德风险的存在,银行恐怕收不回欠款,因此,在你的公司行为不良时,他们便会迅速发现此事

耶鲁公开课 - 金融市场课程节选

We will also tell about a new treatment for people who have lost an arm.

VOA: special.2009.03.10

He said very clearly, if you use cavalry as your major arm, your state will be an aristocracy.

他说得很清楚,以骑兵作为主力部队的,一定是贵族统治的城邦

耶鲁公开课 - 古希腊历史简介课程节选

People can become disabled. They may even need to have an arm or leg removed.

VOA: special.2009.04.06

If I had money enough to raise a few hundred contrabands and arm them I'd get up an insurrection among the slaves; told the captain I'd desert to do it."

若我能供给他们军用品和武器的话,我会在奴隶中间掀起一场暴动,上尉知道,我会的"

耶鲁公开课 - 美国内战与重建课程节选

Sometimes they pay an arm and a leg for something.

VOA: special.2009.10.18

Romel Joseph suffered injuries to an arm and both legs.

VOA: special.2010.02.01

Spirit and Opportunity have wheels, an arm and camera eyes.

VOA: special.2010.07.28

But men like 85-year-old Don Seki, who lost an arm to a burst of machine-gun fire, play-down his own heroism in helping to rescue the "Lost Battalion."

VOA: standard.2009.11.04

The man in the soft felt hat, kneeling by the reclining woman and supporting her with an arm wrapped around her shoulders bears a striking resemblance to a certain fictional archaeologist.

VOA: standard.2010.08.09

He decided to have his arm set at an angle so that he could keep playing the guitar.

VOA: special.2009.09.27

Their goal was to seize the federal arsenal and use the weapons to arm an anti-slavery rebellion.

VOA: special.2009.11.06

An electrical signal is then sent to the prosthetic arm, telling it to move.

VOA: special.2009.03.10