變薄,變光滑;磨薄;磨光
(因重複使用而)變薄,變光滑;磨薄;磨光
to become, or make sth become, gradually thinner or smoother by continuously using or rubbing it
The inscription on the coin had worn away.鑄在這枚硬幣上的文字已磨平了。
釋義來自《牛津高階英漢雙解詞典》第 9 版