擦伤

擦伤	cā shāng	to abrade; to scrape; to chafe; to graze / abrasion; friction burn; scratch
擦	cā	to rub; to scratch / to wipe; to polish / to apply (lipstick, lotion etc) / to brush (past) / to shred (a vegetable etc)
伤	shāng	to injure / injury / wound