patchy shadow

例句：

1. 1.The old house had a patchy roof that needed to be repaired.
   这所旧房子有一个不均匀的屋顶，需要修理。
2. 2.The artist's work is characterized by its patchy color scheme.
   这位艺术家的作品以其不均匀的色彩方案而著称。
3. 3.The landscape was patchy with trees and bushes.
   这片景观由树木和灌木丛组成，呈现出不均匀的分布。