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    磨损 磨損

    mósǔn

    1. to suffer wear and tear; to deteriorate through use; to wear out

    这双鞋经过长时间的使用已经磨损了。 Zhè shuāng xié jīngguò cháng shíjiān de shǐyòng yǐjīng mósǔn le.