rust stains

例句：

1. 1. The old car had a lot of rust stains on the bodywork.
   这辆旧车车身有很多锈迹。
2. 2.The paint on the fence has started to rust stains.
   篱笆上的油漆开始出现锈迹。
3. 3.The metal door was covered in rust stains after years of neglect.
   这扇金属门在多年忽视后覆盖着锈迹。