他看到了窗玻璃上的一个污斑。

He looked at a speck on the window glass.

youdao

外观：不应有破碎、明显的污斑。

Appearances: There shall not be break up and any remarkable blotch.

youdao

我们得用涂料把墙壁上的污斑遮盖住。

We will have to paint over the dirty marks on the wall.

youdao

卷料污斑也由此产生。

Material staining is created from this as well.

youdao

卷料污斑也由此产生。

Material staining is created from this as well.

youdao