单词：roughens
音标：[ˈrʌfənz] ；
v. （使）变得粗糙, （使）变得不平( roughen的第三人称单数 )
v make rough or rougher
roughen的用法和样例：
例句
- Roughen the surface before applying the paint.先把表面弄毛糙再涂颜料。
经典引文
Its rude hair Roughens the wind that lifts it.
出自：ShelleyThe nap of the cloth is roughened up by a brush.
出自：G. DoddThat girl's..nature seemed to roughen itself against seeing us so bound up in Pet.
出自：refl.