英语词汇helpful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	helpful
词根词缀	helpful 有益的 help, 帮助，有益；-ful, 形容词后缀。
随便看	reacquaint react reactance reactant reaction reactionary reactivate reactive reactivity reactor read readdress reader readership readjust readmit ready reaffirm reafforestation reagent real real real ale real estate realia

英语词根词缀词典收录了25228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。