英语词汇derivative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	derivative
词根词缀	词源： 1520s, n. and adj., from Fr. derivatif (15c.), from L. derivativus, from pp. stem of derivare (see derive). Mathematical sense is from 1670s.
随便看	nebula nebulous necessary necessitate necessity neck necklace necktie necro- necromancy necrophilia necropolis necrosis nectar nectarine nee need needle needless to say needs needy ne'er-do-well nefarious negate negation

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。