ˌrub sth↔ˈoff (sth)|ˌrub ˈoffto remove sth or to be removed by rubbing（被）擦掉，抹掉She rubbed off the dead skin.她擦掉了死皮。The gold colouring had begun to rub off.金黄色已经开始剥落了。(BrE)If you write on the blackboard, rub it off at the end of the lesson.如果你在黑板上写字，下课时要擦掉。 |