趣英语 / insulator例句

insulator例句

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

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.

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

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