N-COUNT
(马戏或游园会中穿插的)小节目，助兴表演,杂耍
At a circus or fair, a sideshow is a performance that you watch or a game of skill that you play, that is provided in addition to the main entertainment.
例句
Sideshows at the championship include highland dancing and a play by The Wanlockhead Players.
锦标赛上的助兴节目包括高地舞蹈和万洛克黑德剧社上演的一部剧。