unlineredWiktionary 原文构词拆分un-前缀(added to adjectives or past participles) not · (added to nouns) lack of+liner词根/词干+-ed后缀Used to form past tenses of (regular) verbs. In linguistics, it is used for the base form of any past form. See -t for a variant.词源说明From un- + liner + -ed.释义（英文）形容词 AdjectiveNot furnished with a liner.