除去你看到的所有灰尘，同时抓紧注意外边缘你的手经常触碰到的地方。

Wipe off all the dust you see, and pay close attention to the outer edges where your hands usually sit.

youdao

除去你看到的所有灰尘，同时抓紧注意外边缘你的手经常触碰到的地方。

Wipe off all the dust you see, and pay close attention to the outer edges where your hands usually sit.

youdao