metal cover

例句：

1. 1. The car's metal cover is damaged in the accident.
   汽车的金属覆盖物在事故中受损。
2. 2. The roof of the house has ametal cover to protect it from rain.
   房子的屋顶有一个金属覆盖物来保护它免受雨水的侵蚀。
3. 3. Thenew door has a metalcover that can be easily removedfor cleaning.
   新门有一个可以容易拆卸的金属覆盖物，方便清洁。