roughen有（使）变得粗糙，（使）变得不平;等意思，那么你知道roughen的过去式是什么吗?下面一起来学习一下roughen的过去式以及roughen的用法和例句，希望对大家的学习有所帮助!
roughen的过去式及其它时态
roughen的过去式:roughened
roughen过去分词:roughened
roughen现在分词:roughening
roughen第三人称单数:roughens
roughen的用法和例句
1、You'd better roughen the surface before applying the paint.
你最好先把表面弄毛糙再涂颜料.
2、What has roughen'ed your temper?
可什么东西惹恼了你了?
3、Roughen the surface before applying the paint.
先把表面弄毛糙再涂颜料.
4、Before painting the wood, roughen the surface with sandpaper.
油漆木器前, 先用砂低把表面磨毛糙.
