英语词汇required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	required
词根词缀	Online Etymology Dictionary required adj. c.1600, past participle adjective from require, v.. Required reading attested from 1881.
随便看	coloring colorless colors coloss- colossal epicentre epicure epicurean epicureanism epicureous epicycle epidemic epidemiological epidemiologist epidemiology epidemy epiderm- epidermal epidermis epidermo- epididym- epididymis epididymo- epidural epi-, ep-

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。