n.绝缘,隔热或隔音等的物质或装置,隔离者,隔离物,隔振子,隔电子
Fat is an excellent insulator against the cold.
脂肪是极好的抵御寒冷的绝热体。
Few substances can equal fur as an insulator.
作为绝缘体很少有其他材料能与动物皮毛相媲美.
Dry air is a good insulator, but sea water is not.
干燥空气是一种好绝缘物, 海水则不是.