water rot

例句：

1. 1.The old boat was covered in water rotafter being out of use for years.
   这艘旧船在闲置多年后，船身上满是水锈。
2. 2. Thecar's engine hasdeveloped water rot, which needsto be replaced.
   汽车的发动机出现了水锈，需要更换。
3. 3. Thewooden table has been stainedby water rot, making itdifficult to clean.
   木制的桌子被水锈染色，很难清洁。