insulating medium

例句：

1. 1.The insulating material helps to prevent the electrical current from flowing through the wire.
   这种绝缘材料有助于防止电流通过电线流动。
2. 2.Insulating materials are used in many industrial applications to protect against electromagnetic interference.
   绝缘材料在许多工业应用中被使用，以保护免受电磁干扰。
3. 3.The insulating medium plays a crucial role in maintaining the integrity of the electrical circuit.
   绝缘介质在维护电气电路完整性方面起着至关重要的作用。