roughen 英 [ˈrʌfn]   美 [ˈrʌfən]

roughen

roughen  英 [ˈrʌfn] 美 [ˈrʌfən]

vi. 变粗糙  vt. 使粗糙 

进行时:roughening  过去式:roughened  过去分词:roughened  第三人称单数:roughens  名词复数:roughens 

You'd better roughen the surface before applying the paint. 你最好先把表面弄毛糙再涂颜料。
If gas permeates the polymer, it can roughen the inner surface of the part when the gas migrates out again. 如果气体穿透到聚合物内,当气体再溜出去的时候会造成内表面粗糙。

  • 请先登录
  • vi. 变粗糙
  • vt. 使粗糙
  • 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. If gas permeates the polymer, it can roughen the inner surface of the part when the gas migrates out again.

    如果气体穿透到聚合物内,当气体再溜出去的时候会造成内表面粗糙。

  • 3. These ingredients can cause bleeding under the nails, discolouration and can roughen the smooth texture of the nails.

    这些成分可引起指甲下出血,变色,甚至使原本质地光滑的指甲变得粗糙。

  • roughen (v.) 1580s, from rough (adj.) + -en (1). Related: Roughened; roughening.
rough·en / ˈrʌfn ; NAmE ˈrʌfn / verb [intransitive ,  transitive ] to become rough; to make sth rough 变粗糙;使粗糙 His voice roughened with every word. 他说话的声音越来越嘶哑。 roughensth Cold weather roughens your skin. 天气寒冷,皮肤变得粗糙。 roughen roughens roughened roughening rough·en / ˈrʌfn ; NAmE ˈrʌfn /
  • 请先登录