污点

The moths tapped and blurred at the window screen.

飞蛾在窗帘跳来跳, 弄了点。

I used a throw rug to hide (or conceal ) the stain on the carpet.

我用小块地毯（或 conceal ) 将地毯的点遮盖起来。

There's a smear on your shirt.

你衬衫有个点。

The best way to get stains off collars is to use liquid detergent at full strength.

除领子的点最好的办法是使用未稀释的液体洗洁净。