waterproof case

例句：

1. 1.This laptop has a water-resistant case that can protect it from water damage.
   这台笔记本电脑有一个防水外壳，可以保护它免受水损害。
2. 2. The waterproof case of the camera is very important for outdoor photography.
   相机的防水外壳对于户外摄影非常重要。
3. 3. The waterproof case protects the phone from getting wet when you're in the rain.
   防水外壳可以在你下雨时保护手机不被淋湿。