Rust's disease

例句：

1. 1.The rust on the metal surface is a sign of corrosion.
   金属表面的锈迹是腐蚀的标志。
2. 2. Rust's disease can be prevented by regular cleaning and maintenance.
   通过定期清洁和维护，可以预防锈病。
3. 3.The rusted parts need to be replaced before they can be used again.
   需要更换生锈的部分才能再次使用。