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词根:-sur-

【词根含义】:确信

【词根来源】:来源于拉丁语中由前缀se-(分离,没有)和名词cura(关心)组成的securus(无忧无虑的,没有危险的); securus直接进入英语产生了词汇secure,而经由古法语sur进入英语则产生了-sur-。

【同源单词】:assurance, assure, ensure, insurance, insurant

前缀:as-

【词根含义】:来,临近,加强意义

【词根来源】:ad-的变体

【同源单词】:ascertain, assault, assemble, assembly, assent

前缀:re-

【词根含义】:再,重复;回,向后;相反,反对;离开

【同源单词】:arrest, correlate, correlation, correspond, correspondence

词根词缀:-ance, -ancy

【来源及含义】Latin: often through French, quality or state of; being; condition; act or fact of _______ ing; a suffix that forms nouns

【同源单词】aberrance, absorbance, absorptance, abundance, acceptance, accordance

词根词缀:cura-, cur-

【来源及含义】Latin: care, heal, cure; care for, give attention to, to take care of

【同源单词】accuracy, accurate, accurately, assurance, assure, assuredly