单词

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insulator

英 ['ɪnsjʊleɪtə] 美 ['ɪnsəletɚ]

n. [物] 绝缘体；从事绝缘工作的工人

双语例句

1. 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.

2. Fat is an excellent insulator against the cold.: 脂肪是极好的抵御寒冷的绝热体。

3. 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.

4. The atoms of an insulator hold their electrons very tight.: 绝缘体的原子把电子抓得很牢.

5. A loose mulch acts on the surface as an insulator.: 疏松的覆盖物在土壤表面起了隔热的作用.