Qīng / xǐ / shāng / kǒu / hòu / pí / fū / shàng / de / xuè / hén / jiàn / jiàn / biàn / dàn / le清洗伤口后,皮肤上的血痕渐渐变淡了。After the wound was cleaned, the bloodstain on the skin gradually faded.