scraper

n tool used for scraping, eg for scraping mud from one's shoes 刮刀; 刮削器.

scourge, scout, scouting, scoutmaster, scowl, Scrabble, scrag, scragginess, scraggly, scraggy, scram, scramble, scrambler, scrap, scrap paper (US also `scratch paper), scrap-book, scrap-heap, scrap-yard, scrape, scrape through, scraping, scrappily, scrappiness, scrappy, scratch, scratch pad, scratch paper, scratchily, scratchiness, scrawl, scrawny, scream, screaming, scree, screech, screech-owl, screed, screen, screen test, screening,