pertechneticWiktionary 原文英美构词拆解perper-前缀technetictechnetic词干per-(unproductive) In verbs: denoting the sense "through", as in perforate. · (unproductive) In verbs: denoting the sense "thoroughly", as in perfect.词源说明From per- + technetic.释义形容词adjective1(inorganic chemistry) Relating to pertechnetic acid or its derivatives