tungspat

例句：

1. 1.The old car has a lot of rust on its body.
   这辆旧车身上有很多锈。
2. 2. The metal door is rusted and needs to be painted.
   这扇金属门生锈了，需要重新上漆。
3. 3.He noticed that the metal fence was starting to rust.
   他注意到那根金属篱笆开始生锈了。