ferbam

例句：

1. 1.The old car was covered in a thick layer of rust.
   那辆旧车覆盖着厚厚的一层锈。
2. 2. The iron bars were rusted and needed to be replaced.
   这些铁栏杆生锈了，需要更换。
3. 3. The metal door was rusted open, revealing the insides.
   金属门生锈了，打开后露出了内部。