wear down,wear out,wear off区别?
问题描述：
wear down,wear out,wear off区别?
答
1．wear away 逐渐磨损,磨蚀出凹痕 (常指木、石等,而且主语常为风雨等自然力或人的踏踩、拭抚等)例 It is almost impossible to read the inscription on the monument as most of the letters have been worn away...