bespot

例句：

1. 1.The bespot on his shirt is quite noticeable.
   他衬衫上的污点相当明显。
2. 2.The bespot on the wall has been there for years.
   墙上的污点已经存在很多年了。
3. 3. He tried to rub out the bespot but it was too deep.
   他试图擦掉污点但太深了。