unpremeditatedWiktionary 原文中文来自 ECDICTadj.未经事先考虑的,无预谋的,偶然的构词拆分un-前缀(added to adjectives or past participles) not · (added to nouns) lack of+premeditated词根/词干词源说明From un- + premeditated.释义(英文)形容词 AdjectivePerformed, but not planned or thought out in advance; extemporaneous, but not unintentional.词族派生词(2)unpremeditatedlyunpremeditatedness