Their uniforms are torn and sooty.

他们的制服破烂并沾满了烟灰。

The sooty blotch will wipe off of the fruit and fly speck will not.

煤烟斑将其擦去，而蝇斑则不会。

His sooty hand smudged the paper.

他被煤烟熏污的手把纸弄脏了。

His sooty hand smudged the paper.

墙纸上到处是污迹。

We looked out through the sooty Windows.

我们透过满是煤烟的窗户往外看。