美 [rʌb əˈweɪ]
磨掉，擦掉：用力擦拭以去除表面的污垢或瑕疵。
消除(rub away), 此释义来源于网络辞典。
Trying to get the silverware clean we have to exert ourselves to rub away for hours.
为把银器擦亮，我们必须花几个小时很费劲地擦拭。
I put it on right before bed and in the morning I rub my lips with a soft wet washcloth to rub away the product and dry layers of skin.
我在上床睡觉前用，早晨起来后我用湿的软毛巾拭去唇部干皮，发现嘴唇瞬间变得非常柔嫩清爽。
Applicati on: apply an appropriate amount on to the hand. massage for 5 to 10 minutes to gently rub away the dead surface skin cells. rinse with water.
用法：将本品适量涂于手部，轻揉5 ~ 10分钟，直到死皮出现用清水冲洗即可。
By the time I am 65, I suspect it will be means-tested away from anyone with two nickels to rub together.
It was the slice of fortune the Merseysiders will feel they have been missing and Birmingham will feel their opponents also got the rub of the green when referee Phil Dowd waved away Stephen Carr's appeals for a penalty after he thought he was caught by Everton left-back Baines.