roughens

英 [ˈrʌfnz]

美 [ˈrʌfnz]

v.  变粗糙; 使粗糙
roughen的第三人称单数

柯林斯词典

• VERB （使）变得粗糙;（使）变得不平滑
  If something hasbeen roughened, its surface has become less smooth.
  1. ...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
  2. She lifted her big, roughened hands.
     她举起了那双粗糙的大手。

双语例句

• In this paper accuracy of sensory certification and relative certification of surface, roughens for calliper planes measured using comparison samples was analyzed.
  本文分析了卡尺测量面表面粗糙度感官检定和与比较样块比较检定的准确率。
• First, it roughens the texture of the match head, helping to create friction wherever you strike it.
  首先，它使火柴头的质感变得粗糙，有助于产生摩擦力，无论你在什么地方划火柴。