英语词汇keenness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	keenness
词根词缀	Online Etymology Dictionary keenness n. 1520s, from keen, adj. + -ness.
随便看	sacrilegious sacristan sacristy sacro- sacrosanct sacr-, sacro- sacr, sanc, secr -sacr-, -sanct- sacrum sad saddelry sadden saddle saddleback saddlebag saddler saddle-tree Sadducee Sadie sadism sadist sadistic sadly sadness sado-

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。