roughen的现在进行时为：roughening...

What has roughen'ed your temper?可什么东西惹恼了你了?Roughen the surface before applying the paint.先把表面弄毛糙再涂颜料.You'd better roughen the surface before applying the paint.你最好先把表面弄毛糙再涂颜料....

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

v.（使）变得粗糙，（使）变得不平( roughen的第三人称单数 )...

roughened的音标：roughened的英式发音音标为：['rʌfənd]roughened的美式发音音标为：['rʌfənd]...

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....

She lifted her big, roughened hands.她举起了那双粗糙的大手。His voice roughened with every word.他说话的声音越来越嘶哑。Her hands were roughened by work.她的手由于干活而粗糙....

A heavy infection with F. hepatica may be associated with roughened hair coats.肝片吸虫的重度感染, 可伴有被毛粗乱....complexions that have been roughened by long periods in the hot sun...因长期曝晒而变得粗糙的皮肤His voice roughened with every word....

roughen的第三人称单数（三单）为：roughens...

roughen的一般过去时为：roughened...

v.（使）变得粗糙，（使）变得不平( roughen的过去式和过去分词 )...

roughens的音标：...

vt.& vi.（使）变得粗糙，（使）变得不平...

roughen的音标：roughen的英式发音音标为：['rʌfn]roughen的美式发音音标为：['rʌfən]...

roughen的现在完成时为：roughened...