The operation could help double arm amputees move their manufactured arms with greater ease and control.

VOA: special.2009.03.10

So every time you move your arm, that area of the brain with green line starts, become active in a particular way.

因此，每当你运动手臂的时候，大脑中绿线的部分开始工作，以特定的方式活跃起来。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Her right arm holds a torch with a flame high in the air.

VOA: special.2009.06.29

The seven-member crew controlled a robotic arm equipped with cameras and lasers to scan the surface of the heat shield.

VOA: standard.2009.07.16

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

In its report,the EU executive arm said Turkey made no progress in normalizing relations with Cyprus, adding that it was urgent that Ankara open its ports and airports to Greek Cypriot traffic.

VOA: standard.2009.10.15