资料来源 : pyDict

磨掉,逐渐减弱,消失

资料来源 : WordNet®

wear off
     v 1: deteriorate through use or stress; "The constant friction
          wore out the cloth" [syn: {wear}, {wear out}, {wear thin}]
     2: diminish, as by friction; "Erosion wore away the surface"
        [syn: {wear away}]