undifferentiationWiktionary 原文英美构词拆解unun-前缀differentiationdifferentiation词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + differentiation.释义名词noun1The quality or state of being undifferentiated: absence of differentiation.同族词相关词 4undifferentiable·nondifferentiable·undifferentiated·nondifferentiated