undeletableWiktionary 原文英美undeletable1词源 1构词拆解unun-前缀deletabledeletable词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + deletable.释义形容词adjective1(computing) That cannot be deleted; indelible.undeletable2词源 2构词拆解undeletundelete词干able-able后缀-ableAble to be done; fit to be done. · Relevant to or suitable to, in accordance with.词源说明From undelete