extraoral口外的extraadj.额外的n.额外之物；临时演员adv.特别地extraextracapillary glomerulonephritis毛细血管外肾小球肾炎Extracranial carotid arterial stenosis颈动脉狭窄extra-high-tension pulse generator超高压脉冲发生器extramedullary erythropoietic activity髓外红细胞生成活性extracurricular sporting participation课外运动参与extracorporeal shock wave lithotropisy体外冲击波碎石extra-wide field stereo-microscope超宽视场立体显微镜extramedullary hemopoiesis of the skin骨髓外皮肤造血extracellular regulated protein kinase细胞外调节蛋白激酶extra - curricular physical exercise课外体育活动