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	ingratitude 忘恩负义 in-, 不，非；-grat, 致意，恩情，感谢，词源同congratulation, gratitude。即没有感恩之心，忘恩负义。
随便看	outworn ouzo ov- oval ovary ovation oven ovenproof over over- over- overachieve overact overactive overall overambitious overarching overawe overbearing overbite overblown overbook overbridge overburden overcapacity

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。