英语词汇collaborate的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	collaborate
词根词缀	Online Etymology Dictionary 词根李平武蒋争 collaborate v. 1871, back-formation from collaborator. Given a bad sense in World War II. Related: Collaborated; collaborating. 〔李〕[col-;labor;-atev.] v.协作，合作 ←labor (L labor)=toil, work 劳动
随便看	umbrage umbrageous umbraticum umbra-, umbro-, umbr-, umbel- umbrella Umbrian umbriferous Umbro- umiak umlaut umma ump umpire umpteen umpty U.N. -un- un- un unabashed unabated unable unabridged unaccented unacceptable

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