短语词组短语Rub -off resistance 耐擦性tacky rub -off 粘性磨损rub -off constant 搓揉常数rub b off 擦掉rub off rust 擦掉铁锈Rub off on someone 影响某人RUB OFF EFFECT 擦色效应rub off colour 使颜色显得暗淡rub off on 感染;沾到;沾上;因摩擦而沾上 返回 rub off