英语词汇doula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	doula
词根词缀	Online Etymology Dictionary doula n. by 1980, from Greek doulos (fem. doule) "slave."
随便看	invert invertebrate invest investigable investigate investigation investigative investigator investiture investment investor inveteracy inveterate inviable invictus invidious invigilate invigilator invigorate invigorating invigoration invincibility invincible inviolability inviolable

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。