英语词汇pretest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	pretest
词根词缀	Online Etymology Dictionary pretest also pre-test, 1949 (v. and n.), from pre- + test.
随便看	umbr umbra umbraculi- 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

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。