[jué yuán]
[电] (隔断电流) insulation; isolation; insulate; isolate
Please examine the insulation of the electric wires in my house.
请检查一下我屋子里电线的绝缘情况。
(跟外界不发生接触) be cut off from; be isolated from
They were almost completely cut off from the outside world.
他们几乎完全与外界绝缘了。