sully

例句：

1. 1. The dirty clothes on the floor are a sulley.
   地板上的脏衣服是污点。
2. 2. The stain on the white shirt is a sulley.
   白衬衫上的污迹是污点。
3. 3. The marks on the wall are evidence of the sulley.
   墙上的印记是污迹的证据。