第三人称单数：rubs out 现在分词：rubbing out 过去式：rubbed out
1.擦掉,磨去
2.〈美俚〉杀死
1.to kill someone
2.to erase something you have written or drawn; to remove writing or drawing from a blackboard, whiteboard, etc. so that the surface is clean
rubs outrubs outrubs out