英语词汇doubtless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	doubtless
词根词缀	词源： early 14c. (adv.), mid-15c. (adj.), from doubt + -less.
随便看	infernal infertile infest infidel infidelity infield in-fighting infiltrate infinite infinitesimal infinitive infinitude infinity infirm infirmary infirmity infix infl. inflame inflammability inflammable inflammation inflammatory inflate inflation

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。