英语词汇efficiency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	efficiency
词根词缀	efficiency 效率 ef-, 向外；-fic, 做，词源同fact, effect.
随便看	exculpate excursion excuse exeat execrable execute executioner executor exegesis exemplar exempt exercise exert exertion exeunt exfoliate ex gratia exhale exhaust exhaustion exhaustive exhibit exhibitionism exhibitor exhilarate

英语词根词缀词典收录了25228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。