roughen 过去式:roughened 过去分词:roughened 现在进行时:roughening 词形变化: 动词过去式: roughened | 动词过去分词: roughened | 动词现在分词: roughening | 动词第三人称单数: roughens | 同义词: coarsen | toughen | scratch | abrade | rough | crumple | 反义词: smooth |