英语词汇ingratitude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	ingratitude
词根词缀	Online Etymology Dictionary ingratitude n. mid-14c., from Old French ingratitude (13c.) and directly from Latin ingratitudinem (nominative ingratitudo), noun of quality from ingratus (see ingrate).
随便看	pinnacle pinnate pinnati- pinnato- pinni- pinniped pinni-, pin- pinochle pinocytosis pinot pin-, pino- pinpoint pinprick pinscher pin-stripe pint pintail pinto pin-up pinwheel pinyin piolet pion pioneer pio-, pi-, pion-

英语词根词缀词典收录了54763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。