你讲的是构词法,有的单词后面加tion会变成名词,如operate,communicate,quest去"e"+"ion",或者直接+e,-tion是种名词后缀→operation,communication,questionimagine,inform→imagination,information(-ation)add,define→addition,definition(-ition)有的是加ance如appear,accept+"ance"→appearance,acceptance还有加ment如develop,punish+"ment"→development,punish偿筏稗禾织鼓半态报卡mentdiffer,还有ence如refer+"ence"→difference,reference还有很多,需要自己去整理记忆