undeleteWiktionary 原文英美构词拆解unun-前缀deletedelete词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + delete.释义动词verb1(transitive, computing) To recover (a file, record, etc.) from a deleted state; restore.同族词派生词 2undeletable·undeleter相关词 1