作为一个的问题，事实上，根据几个来源，我们发现，干洗使用液体化学品，以消除污渍和干净衣服。

As a matter of fact, according to several sources we found, dry cleaning uses liquid chemicals to remove stains and clean clothes.

这个男孩脱下脏衣服换上干净衣服。

The boy change soiled clothes for clean ones.

我正要回家去洗洗，换套干净衣服。

I'm just going home to clean up and put on a clean suit.

我正要走过去找几件干净衣服，一阵轻轻的敲门声让我跳了起来。

I was on my way to find new clothes when a light tap on the door made me jump.