midcenturyWiktionary 原文构词拆分mid-前缀Denoting the middle part. · Occupying a middle position.+century词根/词干词源说明From mid- + century.释义（英文）形容词 AdjectiveOccurring around the middle of the century. (Elliptically refers to whichever century is evident from the context of a discussion.)名词 NounThe midpoint or middle portion of a century.