上油漆前要彻底把墙壁刷干净。

Scrub the walls down well before painting them.

youdao

刷干净牙齿会对你的健康有好处。

It is good for your health to brush your teeth clean.

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刷了两遍之后，他的牙齿变的又白又干净。

When they were brushed twice, his teeth became white and clean.

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首先，把要刷涂料的表面弄干净。

First of all, clean the surface that you are going to paint.

youdao

首先，把要刷涂料的表面弄干净。

First of all, clean the surface that you are going to paint.

youdao