Most metals are good conductors of electricity, while paper, air and glass are good insulators.

绝大多数金属都是电的良导体，而纸张、空气、玻璃则是良好的绝缘体。

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Most metals are good conductors of electricity, while paper, air and glass are good insulators.

绝大多数金属都是电的良导体，而纸张、空气、玻璃则是良好的绝缘体。

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