1848, "act of making (something) into an island," noun of action from insulate. Transferred sense attested by 1798. Electrical sense is from 1767. The concrete sense of "insulating material" is recorded by 1870.
双语例句
1. High electricity bills point to a poor heating system or bad insulation.
高额电费开支说明供暖系统不足或建筑隔热材料不良。
来自柯林斯例句
2. They lived in happy insulation from brutal facts.
他们幸福地生活在不受残酷现实干扰的世界里。
来自柯林斯例句
3. A wet suit provides excellent insulation.
湿式潜水服有极佳的隔热性能。
来自柯林斯例句
4. Better insulation of your home will help to reduce heating bills.
增加房子的隔热性能会有助于减少供暖费用。
来自《权威词典》
5. Please examine the insulation of the electric wires in my house.
