英语词汇be concerned with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 concerned with
词根词缀	词根记忆：关心,挂念,从事于;参与,干预Andy is quite concerned with the little cats.安迪很关心这些小猫.
随便看	propitiation propitiatory propitious propone proponent proportion proposal propose proposition propound proprietary proprietor proprietory propriety propulsion pro rata pro-rate prorogue prosaic proscenium prosciutto proscribe prose prosecute proselyte

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。