1530s, "make into an island," from Latin insulatus, from insula (see insular). Sense of "cause a person or thing to be detached from surroundings" is from 1785. Electrical/chemical sense of "block from electricity or heat" is from 1742. Related: Insulated; insulating.
实用例句
1. He continues to insulate his country from the contagion of foreign ideas.
他继续使本国远离外来思想的侵袭。来自柯林斯例句
2. Home owners are being encouraged to insulate their homes to save energy.
当局鼓励房主给住房加隔热装置以节约能源。来自《权威词典》
3. Asbestos can be used to insulate a cooking stove.
石棉能用来使烹调用的炉灶绝热.来自《简明英汉词典》
4. The function of a mammal's fur is to insulate the body.
