英语词汇thankless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	thankless
词根词缀	Online Etymology Dictionary thankless adj. "likely to not be rewarded with thanks," 1540s, from thank + -less. Related: Thanklessly; thanklessness.
随便看	Teutonic undomesticated undone undoubtable undoubted und, ound undreamed undress undressed undue undulant undulate undulation undulato- unduly undu-, und- undying une unearned unearth unearthly uneasy uneducated unelectable unemancipated

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。