英语词汇catatonic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	catatonic
词根词缀	词源： 1908, from Mod.L. catatonia, replacing katatonia (1880s), which was formed directly from Gk. kata- "down" + tonos "tone" (see tenet).
随便看	prerequisite prerogative pres. presage Presbyterian preschool prescience prescient prescribe prescript prescription presence present presentation present-day presentiment presently preservative preserve preserve from preside president presidio presidium pres.-pret.

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。