英语词汇proactive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	proactive
词根词缀	词源： 1933, in psychology (learning theory), from pro- + active. As an opposition to reactive, attested from 1971 (see react).
随便看	mercenary mercer merchandise merchant merchantile Mercia Mercian merciful merciless mercurial Mercury mercury mercy merde mere merely merengue meretricious merganser merge merger meridian meringue merino merism

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。