n.圆形露天剧场；竞技场面；（供观摩外科手术等的）梯形教室；（剧场中的）阶梯式座位区 变形： 复数：amphitheaters 英英释义： amphitheater[ 'æmfi,θiətə ]n.a sloping gallery with seats for spectators (as in an operating room or theater)同义词：amphitheatrean oval large stadium with tiers of seats; an arena in which