第三人称单数：数：roughens
现在分词：：roughening
变得粗糙，变得不平( roughen的过去式和过去分词 )；
1. 使变粗糙的：涂apply | 使变粗糙的roughened | 盘绕的coiled
adj
1. used of skin roughened as a result of cold or exposure
e.g. chapped lips
Synonym: chappedcracked
