rain-repellent polymer coatings

例句：

1. 1.The rain-repellent coating on the car prevents it from getting wet.
   汽车上的防水涂层防止它被雨水淋湿。
2. 2.The new rain-repellent fabric is perfect for outdoor activities.
   这种新型防水面料非常适合户外活动。
3. 3. The rain-repellent shoes are designed to keep you dry in wet weather.
   这种防水鞋设计用来在潮湿天气保持你干燥。