extraoral口外的extraadj.额外的n.额外之物；临时演员adv.特别地extra-large orifice sprinkler system特大喷口喷水灭火系统Extra-low permeability oil reservoir特低渗油藏extra-long large diameter pile group超长大直径群桩Extracelluar signal-regulated kinase细胞外信号调节激酶extracorporeal shock wave lithotriptor体外冲击波碎石机Extracellular biopolymeric flocculants胞外生物高聚物絮凝剂Extramedullary hematopoiesis of spleen脾髓外造血extraterritorial rights and privileges治外法权及其特权.extraterritorial criminal jurisdiction域外刑事管辖权extracurricular technological activity课外科技活动