n.粗加工，粗糙法v.（使）变得粗糙，（使）变得不平( roughen的现在分词 )...

roughening的音标：roughening的英式发音音标为：['rʌfənɪŋ]roughening的美式发音音标为：['rʌfənɪŋ]...

I have a bad roughening of the skin.我皮肤非常粗.The roughening process of unsaturated polyester resins and its technological criterion were described.介绍了不饱和聚酯树脂的粗化工艺流程及各工艺规范....