单词	gotten tough
释义	gotten tough 强硬起来
随便看	exchange step exchange stock exchange storage exchange student exchange-student exchange students exchange supplementary duties exchange supplementary duty exchange surcharge exchange surrender certificate exchange surrender system exchange symmetry exchange system exchange table exchange tax exchange teacher exchange technology exchange teller exchange termination exchange test exchange test string exchange text string exchangeth exchange theory exchange theory of taxation 访乌衣访旧半为鬼访稼轩未晚访邻寻里访邻寻里访铜雀台评泊寻芳识他不破识秋娘庭院诉新恨カセカセカセイカセイカセイカセイカセイカセイカセイカセイ