electric conductor

• 电导体

electric conductor的用法和样例：

例句

1. Lead is dark in color and is an electrical conductor.
   铅呈深色，是电导体。
2. Because the molten iron in the core is a good electrical conductor, the field is trapped in the fluid, the frozen field effect.
   因为地核里的熔解铁是良好的电导体，磁场被限制在流体内，这便是冻结磁场效应。