extraoral口外的
extraadj.额外的n.额外之物;临时演员adv.特别地
extraterritorial injurious consequences域外损害性后果
Extra-high anti-collapse oil casing超高抗挤套管
extracellular matrix metalloproteinases基质金属蛋白酶
Extra-high voltage converting station超高压变电站
Extracellular algae-lysing components溶藻活性物质
Extra-Vehicular Communications System航天器外通信系统
extracellular slgnal-regulated kinase细胞外信号调节激酶
Extracellular signal-regulated kinasc细胞外信号调节激酶