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	词源： 1340, from O.Fr. ingratitude (13c.), from L. ingratitudinem (nom. ingratitudo), from ingratus (see ingrate).
随便看	overrun overseas oversee overseer over-sexed overshadow overshoot oversight overspend overstate overstep overstock overstrain overstudy overstuffed overt overtake over there overthrow overtime overtly overtone overture overturn overuse

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