To really disinfect the sink and drain, clean them twice a week with a solution of one tablespoon of bleach and one quart of water: scrub the basin, then pour the solution down the drain.
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。
3
Processing after wood surface, and scrub with water dilute (such as 1.2% acetic acid or oxalic acid) solution and sodium hydroxide, scrub with water clean again.