deactivationWiktionary 原文英/ˌdiːæktɪˈveɪʃən/美构词拆解dede-前缀activationactivation词干de-reversal, undoing · to remove from, removed词源说明From de- + activation.释义名词noun1The act of deactivating something, such as a bomb or alarm.同族词派生词 2photodeactivation·deactivation energy