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roughen英英释意- 查字库
首页英语词典roughenroughen英英释意

roughen

英 ['rʌf(ə)n] 美['rʌfn]
  • vi. 变粗糙
  • vt. 使粗糙

英英释意


1. make rough or rougher;
"rough the surfaces so they will stick to each other"