extra pay奖励extraadj.额外的n.额外之物；临时演员adv.特别地Extradural catheter intuba - tton硬膜外导管extra- statute exception incident犯罪构成extracorporeal irradiation of lymph淋巴的体外照射extracorporeal membrane oxygenation体外膜式人工氧合法extra-huge underground powerhouse特大地下厂房Extra Low Hardness Urethane Bumpersextracurricular sporting activities课外体育活动extramedullary hemotopoiesis tissue髓外造血组织extra- curricular basketball team业余篮球代表队extrapolation by factorial analysis因子分析法外推