unportWiktionary 原文英美/ʌnˈport/构词拆解unun-前缀portport词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + port.释义动词verb1(mechanical engineering, of a liquid such as fuel or oil, intransitive) To flow away from, and, thus, fail to enter, its intake or drain port.2(mechanical engineering