Puccinia cesatii

例句：

1. 1.The plant was severely damaged by the frost.
   这植物被霜冻严重损害了。
2. 2. The rust on the metal is causing it to deteriorate quickly.
   金属上的锈蚀正在迅速导致其退化。
3. 3. The rusted metal is a common problem in old buildings.
   生锈的金属是老建筑中常见的问题。