英语词汇portentous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	portentous
词根词缀	词源： 1530s, from L. portentosus, from portentem (see portend).
随便看	self-starter self-sufficiency self-willed Seljuk sell sell off Sellotape sell out sell-out sell up seltzer selvage Sem. semantic semantics semaphore semblance Semele semen semester semi- semi-automatic semiautomatic semicircle semicolon

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。