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

VOA: special.2010.07.28

One, we can train them to perform these elaborate eye and arm movement tasks as you are seeing here I will describe.

第一，我们可以训练他们去完成眼睛和手臂运动等精细的动作,正如我要介绍的那样。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

When I reached for one of the two glasses left on the table, Tom stopped my arm.

VOA: special.2009.07.04

One big announcement this year involved the British company ARM and the Microsoft Windows operating system.

VOA: special.2011.01.10

"On station one,we have robot arms. And what happens is the robots have different joints like a human arm -- one at the shoulder,one at the elbow, wrist and then a claw.

VOA: special.2010.07.28

Store employee Brian McLelland snaps the arm off one faceless figure and rearranges its black t-shirt.

VOA: standard.2010.02.17