extraneousadj.外来的;无关的
extraneous income额外收入
extraneous reflex新异反射
Extraneous Enzyme外源酶
extraneous pickup串音
extraneous expense额外支出
extraneous element外来元素
extraneous traffic外来交通
extraneous charges特支费
extraneous current外来流
extraneous protein异物蛋白质; 外来蛋白质