dope material

• 绝缘材料

dope material的用法和样例：

例句

1. Rubber is found to be a good isolating material.
   人们发现橡胶是一种很好的绝缘材料。
2. The mosaic consists of a metal plate covered with insulating material.
   嵌镶光电阴极由涂有绝缘材料的金属板组成。