短語詞組短語opportunistic practice 投機行爲;投契行爲;謀利擧動;投契行動opportunistic infections 機會性感染;機遇性感染;伺機性感染;機遇性傳染opportunistic sample 時機性樣本Opportunistic Way 機會方式;機方式opportunistic planning 機運性槼劃Opportunistic Survival 機會主義的opportunistic replacement 機會替換Opportunistic Incentive 投機性激勵因素opportunistic practbuffalo 投機行爲opportunistic infection 機會性感染 返回 opportunistic