英语词汇undated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	undated
词根词缀	词源： "left without indication of date," 1570, from un- (1) "not" + pp. of date (v.) "assign a date to." Cf. Ger. undatirt, Du. ongedateerd, Swed. odaterad.
随便看	riproaring ripsnorter Rip Van Winkle rise rise superior to risibility risible risk risorgimento risotto risque Ritalin rite ritual ritzy rival rivalry riven river riverain rivet riveting Riviera rivulet RNA

英语词根词缀词典收录了31503条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。