shist

例句：

1. 1. The old iron fence has a lot of rust on it.
   那根旧铁栅栏上有很多锈。
2. 2. The car's engine was rusted out after years of neglect.
   这辆车的引擎在多年忽视后生锈了。
3. 3. To prevent rust, the metal parts need to be cleaned regularly.
   为了防止生锈，金属部件需要定期清洗。