nonconducting barrier layer

例句：

1. 1. The insulator is a nonconducting material that prevents electricity from passing through.
   绝缘体是一种不导电的材料，可以阻止电流通过。
2. 2.The new electronic device has a nonconducting layer between the circuit and the body to protect it from damage.
   新型电子设备在电路和身体之间有一层非导电层，以保护它免受损害。
3. 3.The metal plate is coated with a nonconducting layer to prevent corrosion.
   金属板涂有一层非导电层，以防止腐蚀。