to cover and surround something with a material or substance in order to stop heat, sound, or electricity from escaping or entering

You can insulate a house against heat loss by having the windows double-glazed. 你可以给窗户装上双层玻璃来防止热量散失。

to protect someone or something from harmful experiences or influences

Children should be insulated from the horrors of war. 应该让孩子远离战争的恐怖。

Until recently the country's economy has been insulated from recession by its reserves of raw materials. 该国由于原材料储备充足，直到最近其经济也没有受到衰退的影响。