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	non compos mentis nonconformist nonconformity nondescript none none but nonentity none other than nones non-essential nonetheless none the less none too non-event nonexistent non-fiction nonflammable nonmiscible no-nonsense nonpareil non-partisan nonplus nonplussed non-proliferation nonsense

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。