英语词汇unimproved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	unimproved
词根词缀	词源： 1665, "not made better," from un- (1) "not" + pp. of improve. Sense of "not developed or taken advantage of" is recorded from 1781.
随便看	antrum antsy Anubis a number of anuria anus anvil anxiety anxious any anybody anyhow any longer any more any number of anyone anyplace anything anything but anyway anyways anywhere anywise Anzac aocation

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