词典释义：
a travelling company of acrobats, trained animals, and clowns which gives performances, typically in a large tent, in a series of different places
马戏团
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[as modifier]
a circus elephant .马戏团大象。
(in ancient Rome)a rounded or oval arena lined with tiers of seats, used for equestrian and other sports and games
（古罗马）竞技场（圆形或椭圆形，环有一排排座位，用于马术等运动、竞赛）。
〈非正式〉 巡回比赛团
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the Formula One grand prix circus .一级方程式巡回大奖赛比赛团。
〈非正式〉 乱哄哄的干扰活动场面
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a media circus .媒介云集的喧闹场面。
[in place names]
〈英〉 路口的环形露天广场
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Piccadilly Circus .皮卡迪利广场。
" late Middle English （with reference to the arena of Roman antiquity）： from Latin, ‘ring or circus'. The sense ‘travelling company of performers' dates from the late 18th cent."
