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	词根记忆： a. (to)有帮助的,有益的,有用的You are very helpful in preparing my manuscript.你在我撰写原稿时帮了大忙.
随便看	obstructive obtain obtrude obtund obtuse obverse obviate obvious ocarina Occam's razor occasion occasional occasionally occident occidental occipital Occitian occlude occlusion occlusive occult occultation occultism occupancy occupant

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。