“绝缘”造句

他们几乎完全与外界绝缘了.
They were almost completely cut off from the outside world.

请检查一下我屋子里电线的绝缘情况.
Please examine the insulation of the electric wires in my house.

电线通常以一层橡皮或纸绝缘.
One often insulates telephone wires by a covering of rubber or paper.

• #绝缘