scrape:沿物体表面擦，意在擦光擦亮；rub:稍微用力用尖锐或粗糙的东西把物体表面的东西刮掉擦掉；scratch ：用耙子或手爪抓。
scratch ------ 用耙子或手爪抓【例句】you scratch my back, I'll scratch yoursThat cat scratches.那只猫会抓伤人。The famine is so bad, aid can only scratch the surface.饥荒十分严重，援助也只是杯水车薪。scrape ---------檫去、用刀刮、挖出【例句】Scrape your shoes on the doormatbefore you come in.进屋前先在门口擦鞋垫上擦一擦鞋子。
标签：
