单词 | roughen |
释义 | roughen['rʌfən]vt.1.■使粗糙;使不平滑:Her hands were roughened by housework.她的手由于家务劳动而变得粗糙。You'd better roughen the surface before applying the paint.你最好先把表面弄毛糙再涂颜料。vi.1.■变粗糙;变得不平:As time went on,the surface of the highway roughened.随着时间的推移,公路的路面变得崎岖不平了。 |
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