unabbreviateWiktionary 原文构词拆分un-前缀(added to adjectives or past participles) not · (added to nouns) lack of+abbreviate词根/词干词源说明From un- + abbreviate.释义（英文）动词 Verb(uncommon, transitive) To make unabbreviated, to expand something which was abbreviated.词族相关词（2）unabbreviatedunabbreviation