(noun.) the part of an armchair or sofa that supports the elbow and forearm of a seated person.
(noun.) any projection that is thought to resemble a human arm; 'the arm of the record player'; 'an arm of the sea'; 'a branch of the sewer'.
(noun.) a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb.
(verb.) prepare oneself for a military confrontation; 'The U.S. is girding for a conflict in the Middle East'; 'troops are building up on the Iraqi border'.
(verb.) supply with arms; 'The U.S. armed the freedom fighters in Afghanistan'.
校对:凯尔西
艾琳校对