词根词缀：-ity

【来源及含义】Latin: suffix used to form abstract nouns expressing act, state, quality, property, or condition corresponding to an adjective

【同源单词】abnormality, absorbability, acclivity, acerbity, acridity, acrity

词根词缀：melior-, meliorat-

【来源及含义】Latin: better, to make better; to improve

【同源单词】Ad praesens ova cras pullis sunt meliora, Aliudque cupido, ameliorable, ameliorate, ameliorating, amelioration