adj.不可渗透的;透不过的;无动于衷的;不受影响的;
例句:
Impervious to the effect of a magnetic field; resistant to magnetization.
防磁的不受磁场作用干扰的; 防磁的.
She seems almost impervious to the criticism from all sides.
对于来自各方的指责,她似乎无动于衷。
It could not pass through material impervious to water such as mica.
它不能通过云母这样的不透水的物质.