vt.　隔离，使绝缘 protect sb or sth from the unpleasant effects of sth

　～ the body　使身体保温暖
　～ a cooking stove　使炉灶绝热
　～ electric wires　使电线绝缘
　～ against　与…绝缘
　～ for　使…与…绝缘

　Asbestos can be used to insulate a cooking stove.　石棉能被用来使烹调用的炉灶绝热。
　Rubber is used to insulate electric wires.　橡胶被用来使电线与外界绝缘。
　The function of a mammal's fur is to insulate the body.　哺乳动物皮毛的功能在于使身体保暖。

 ♣ insulate against　(v.+prep.)
　防止…，与…隔绝　separate from sth
　Index-linked pay rises insulated them against inflationary price increases.　与生活指数挂钩的工资增长使他们免受通货膨胀带来的损失。
　They have found a way to insulate themselves against the cost of inflation.　他们找到了使自己免受通货膨胀影响的办法。
　This room is insulated against noise.　这个房间隔音。
 ♣ insulate from　(v.+prep.)
　（使）与…隔绝，（使）免于…的危害　separate from sth so as to protect
　Living in a high building tends to insulate us from the real life of the city.　住在高楼大厦中容易使我们与城市的现实生活相隔绝。
　In the country, we insulated ourselves from the worries of life in a big city.　在农村，我们远离了大城市的种种焦虑。
　I insulated the furnace from any neighbouring firewood with brick.　我用砖头把火炉和附近的柴火隔开。
　The wires must be insulated from touching each other with a rubber covering.　这些金属线一定要用橡胶皮包起来，以免相互接触。
　The house can be insulated from cold with about four inches of this special plastic.　这种特种塑料有4英寸左右厚，足以挡住屋外的寒气。

 ♣ insulate, isolate
　这组词的共同含义是“隔离”。其区别是：insulate是用某种物质将两个物体隔开，使其不接触，但这种“隔离”不会产生很大的距离；而isolate则是将两物分离开来，使之相隔遥远。