potato degeneration

例句：

1. 1. Potatoes are prone to degeneration when storedimproperly.
   土豆在储存不当时容易退化。
2. 2. The potato degeneration canbe prevented by proper storage conditions.
   通过适当的储存条件可以防止马铃薯退化。
3. 3. The potatodegeneration is a major concern for farmersin the region.
   该地区的农民对马铃薯退化问题非常关注。