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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....
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roughen的现在进行时为：roughening...
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vt.& vi.（使）变得粗糙，（使）变得不平...
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roughen的一般过去时为：roughened...
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roughen的第三人称单数（三单）为：roughens...
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roughen的音标：roughen的英式发音音标为：['rʌfn]roughen的美式发音音标为：['rʌfən]...