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 <em>clean</em> <em>clothes</em>.

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.