短语词组短語opportunist pathogen 條件致病菌opportunist behavior 機會主義行爲Hindering Opportunist 阻礙機會opportunist species 暫時種opportunist action 機會主義行爲country opportunist 國家機會主義opportunist E 機會主義者Agile Opportunist 機敏遊擊手 返回 opportunist