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Related topics: Chronologybi·cen·ten·ni·al /ˌbaɪsenˈteniəl/ noun [countable] American EnglishTMC the day or year exactly 200 years after an important event 二百周年（纪念） the bicentennial of the Declaration of Independence 《独立宣言》发表二百周年纪念 —bicentennial adjective bicentennial celebrations 二百周年庆典Examples from the Corpusbicentennial• But did you know that this mechanical wonder is celebrating its bicentennial?bi·cen·ten·ni·al nounChineseSyllable the 200 exactly day or years year Corpus |