| 单词 | rub off |
| 释义 | ● ˌrub sth↔ˈoff (sth )● ˌrub ˈoff to 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。See also rub |
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