arm

n.手臂；支架；(pl.)武器 vt.武装，装备

arid, aridity, aridly, aridness, Aries, aright, arise, arisen, aristocracy, aristocrat, aristocratic, aristocratically, Aristotelian, Aristotle, arithmetic, arithmetical, arithmetically, arithmetician, ark, Arkansas, arm in arm, arm-band (also armlet), armada, armadillo, Armageddon, armament, armature, armchair, armed, armed neutrality, armful, armhole, armistice, Armistice Day (US Veterans' Day), armlet, armor, armorial, armory, armour, armour (US armor),