roof guard

例句：

1. 1. The new roof guard isdesigned to prevent leaks and keep thehouse dry.
   新的屋顶防护罩设计用来防止漏水，保持房屋干燥。
2. 2. The roofguard was installed to protect the roof fromdamage during storms.
   屋顶防护罩被安装来在暴风雨中保护屋顶不受损害。
3. 3. The homeowner replaced the old roof guardwith a new one to improve energy efficiency.
   房主更换了旧的屋顶防护罩为一个新的，以提高能源效率。