armpit

n hollow under the arm at the shoulder 腋窝; 夹肢窝; 胳肢窝. =>illus at human 见human之插图.

Armageddon, armament, armature, armchair, armed, armed neutrality, armful, armhole, armistice, Armistice Day (US Veterans' Day), armlet, armor, armorial, armory, armour, armour (US armor), armour-plate (US armor-), armoured (US armored), armourer (US armorer), armoury (US armory), arms, arms race, army, aroma, aromatic, arose, around, around the clock, arousal, arouse, arpeggio, arr, arrack, arraign, arraignment, arrange, arrangement, arrant, array, arrear,