英语词汇be essential to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	be essential to
词根词缀	词根记忆：对…不可少的,对…必要的Food is essential to life.食物是维持生命不可或缺的.
随便看	ochlocracy ochre o'clock O.C.S. octa- octagon octagonal octahedron octane octant octave Octavia Octavian octavo octo- october October octogenarian octolateral octopus octoroon ocular oculist oculus O.D.

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。