英语词汇ninety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	ninety
词根词缀	Online Etymology Dictionary ninety n. Old English nigontig, from nine + -tig "group of ten" (see -ty(1)). Cognate with Old Frisian niontich, Middle Dutch negentich, Dutch negentig, German neunzig.
随便看	educate educated education educational educationese educationist educative educator educe educible educrat Edward Edwardian Edwin -ee e-, ef- eek eel eel-skin e'en -een eeny e'er -eer eerie

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。