Good conductor 导体:conductor Physics A substance or medium that conducts heat, light, sound, or especially an electric charge. 【物理学】 导体：传导热、光、声或特别是电荷的物质或介质 良导体:good conductor 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。
Good conductor
good conductor
good 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。
答：电阻小的物质称作良导体，电阻很大的物质称作非导体，而最近在高科技领域中称的超导体，则是一种电阻值几近于零的东西详情>>
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