For the walls and doors of such a smooth surface, using an old cloth or sponge dipped in mild detergent solution, scrub enough.

对于墙和门这类光滑的表面，用旧布或海绵蘸取温和的洗衣粉溶液擦洗就足够了。

youdao

For the walls and doors of such a smooth surface, using an old cloth or sponge dipped in mild detergent solution, scrub enough.

对于墙和门这类光滑的表面，用旧布或海绵蘸取温和的洗衣粉溶液擦洗就足够了。

youdao