在一个活动里，小孩试图让机器人的手臂捡起一块积木并把它放在杯子里。

In one activity, children try to get a robot arm to pick up a block and place it in a cup.

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不管是在人的手臂还是墙壁上，该试验传感器都能跟踪其表面上的动作，并把使之成为移动电脑。

The experimental sensor tracks movements on anything from a human arm to a wall and makes it into a mobile computer.

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这项研究的目标之一就是研发一种方法，通过它，严重瘫痪的病人可以单用思维能力控制机器人的手臂和其它装置。

One aim of the research is to develop a means whereby severely paralysed patients could control the movements of robot arms and other devices by the power of thought alone.

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So as people in the back are answering these questions because they want to test my arm.

坐在后面的人回答我的问题,就是想要试试我的手臂力量。

麻省理工公开课 - 计算机科学及编程导论课程节选

He notes: When we see a stroke aimed and just ready to fall upon the leg or arm of another person, we naturally shrink and draw back our own leg or arm and when it does fall we feel it in some measure and are hurt by it as well as the sufferer.

他说过，当我们看到有人要打,别一个人的腿或手臂，我们会不由自主的畏缩，手脚拢起来,当这一下打下来，某种程度上来说,我们会感受到和被打者一样的疼痛。

耶鲁公开课 - 心理学导论课程节选