短語詞組短語opportunistic practice 投機行為;投契行為;謀利舉動;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 機運性規(guī)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 投機行為opportunistic infection 機會性感染 返回 opportunistic