Definition: to make a slight cut or long, thin mark with a sharp object on a surface or on your skin Level: B2
她在粗糙的人行道上擦伤了膝盖。
She ___scratched her knee on the rough sidewalk.
他不小心用钥匙划伤了桌子。
He accidentally ___scratched the table with his keys.
孩子们经常在学校课桌上刻他们的首字母。
Children often ___scratch their initials on school desks.
