英语词汇um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	um
词根词缀	Online Etymology Dictionary um a sound denoting hesitation, 1670s.
随便看	range ranger rangy rani- rani-, ran- rank rank and file rankle ransack ransom rant rantallion rap rapable rapacious rapacity rape Raphael raphe rapid rapidity rapids rapier rapine rapist

英语词根词缀词典收录了54763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。