音標發(fā)音英式音標 [?men.t?l.i d??fek.t?v]美式音標 [?men.t??l.i d??fek.t?v]英式發(fā)音 美式發(fā)音 基本解釋有心理缺陷的，有智力缺陷的。同根派生 mentally defective相關詞英英字典劍橋英英字典 If you say that someone is mentally defective, you mean that they have low mental abilities because their brain is damaged due to an accident or illness, or has been damaged since birth.mentally defective劍橋字典mentally defective柯林斯字典