unsusceptibleWiktionary 原文英美构词拆解unun-前缀susceptiblesusceptible词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源链原始词根原始印欧语Proto-Indo-European约前 4500–前 2500 年*keh₂p-英语Englishunsusceptible词源说明From un- + susceptible.释义形容词adjective1Not susceptible.