insulator
insulator
noun
noun
- a thing or substance used for insulation, in particular
隔离物，尤指
■a substance which does not readily allow the passage of heat or sound
隔热物；隔音物
cotton is a poor insulator.
棉花隔热性差。
■a substance or device which does not readily conduct electricity
绝缘体；绝缘装置
■a block of material, typically glass or ceramic, enclosing a wire carrying an electric current where it crosses a support
绝缘子
考试词汇表
