用一块清洁的绒质抹布吸一吸背面，进一步去除尽可能多的污迹。

Blot the back side with a clean terry cloth washcloth to further remove as much ink as possible.

youdao

用一块清洁的绒质抹布吸一吸背面，进一步去除尽可能多的污迹。

Blot the back side with a clean terry cloth washcloth to further remove as much ink as possible.

youdao