umbrella insulator

例句：

1. 1. The umbrella insulator is an essential tool for protecting against the rain.
   雨伞绝缘体是保护免受雨水侵害的必备工具。
2. 2. The new design of the umbrella insulator has made it more durable and lightweight.
   新型雨伞绝缘体的设计使其更耐用且轻便。
3. 3. The umbrella insulator is widely used in outdoor activities to prevent water damage.
   雨伞绝缘体在户外活动中被广泛使用，以防止水损。