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

VOA: special.2011.04.26

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

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

VOA: special.2010.07.28

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

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