英语词汇au courant的起源、历史背景-英语词源词典

词汇	au courant
词源	au courant. French for “up to date, informed on current af- fairs,” as in “every detail of her dress was au courant.”
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英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。