solid insulator

例句：

1. 1. The new insulator is designed to withstand high voltages.
   这款新型绝缘体设计用于承受高压。
2. 2. The insulator was installed toprevent electrical short circuits.
   这个绝缘体被安装来防止电气短路。
3. 3. The insulator plays a crucial role in maintainingthe integrity of electrical systems.
   绝缘体在维护电气系统完整性方面起着至关重要的作用。