柯林斯词典amphitheatre (also amphitheater) [美国英语] 1. N a building, usually circular or oval, in which tiers of seats rise from a central open arena, as in those of ancient Rome 圆形露天竞技场 返回 amphitheatre剑桥词典a circular or oval area of ground around which rows of seats are arranged on a steep slope , for watching plays , sports , etc. outside （露天）圆形剧场（或竞技场） a large hall for lectures in which the rows of seats are arranged on a slope 阶梯教室，看台式教室 返回 amphitheatre