extrahead反常带头
extraadj.额外的n.额外之物;临时演员adv.特别地
extrapolation chamber外推电离室
extracelluar proteins胞外蛋白
extracardiac shunting心脏外分流
Extrahepatic Jaundine肝外黄疸
extraglacial deposits远冰川外沉积
extra-high watercut特高含水
extra slim taper file细尖三角锉
Extrapancreatic cells胰外细胞
extra-matter tensor异物张量
extra marital affairs婚外恋