英语词汇unnecessary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	unnecessary
词根词缀	Online Etymology Dictionary unnecessary adj. 1540s, from un-(1) "not" + necessary, adj.. Related: Unnecessarily.
随便看	prosopopeia prosop-, prosopo- prospect prospective prospector prospectus prosper prosperity prosperous pros-, proso- prostaglandin prostat- prostate prostatitis prostato- prostato-, prostat- prosthesis prosthetic prosthetics prosth-, prosthe-, prosthet-, prostheto- prostitute prostitution prostomium prostrate prostration

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。