紫胶恰巧还是一种有效的绝缘物。
Shellac also happened to be an effective electrical insulator.紫胶恰巧还是一种有效的绝缘物。
The aluminum surface of the oxide layer is an electrical insulator.铝表面的氧化层是一种电的绝缘体。
Simply put, a capacitor stores an electrical charge between two conductive plates separated by an electrical insulator.简单地说,一个电绝缘体隔开两片导电板,而电容器在导电板间储存电量。