roughened

英 [ˈrʌfnd]

美 [ˈrʌfnd]

v.  变粗糙; 使粗糙
roughen的过去分词和过去式

过去式：roughened　

BNC.48740 / COCA.45245

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。

英英释义

adj

• used of skin roughened as a result of cold or exposure
  1. chapped lips
  Synonym:chappedcracked

双语例句

• The results suggested that ethanol was oxidized to CO2 on the roughened platinum electrode via parallel reaction mechanism in acidic, neutral or alkaline media.
  可以推测，不论在酸性、中性还是碱性介质中，乙醇在粗糙铂电极上的氧化过程均按双途径机理进行。
• A heavy infection with F. hepatica may be associated with roughened hair coats.
  肝片吸虫的重度感染，可伴有被毛粗乱。
• Knurling is the process of producing a roughened surface by means of a specialized forming tool called a knurl.
  是一种专门成形刀具叫滚花轮，将表面制成粗糙表面。
• Pork scurried from the room as her voice roughened and Scarlett was left alone with Gerald.
  波克听她的声音急了，便赶忙走出去，留下思嘉单独跟杰拉尔德坐在房里。
• Galvanized surfaces, both old and new will be carefully roughened up.
  应小心地使新旧镀锌表面变粗糙。
• Applying the rough set theory make the controlling quantity roughened, and realizes a variable precision control.
  利用粗糙集合理论对控制量作了粗糙化，实现了控制系统的变精度控制。
• One end of a muscle is attached to a roughened area on bone or cartiage, while the other is fixed in a similar manner to an adjacent bone.
  肌肉的一端附着在骨或软骨上的粗糙面，而另一端则以类似的方式附着在相邻的骨上。
• The other studies effect of roughened apron upon scour.
  第二部分研究海漫加糙后的防冲效果。
• Impingement heat transfer from the rib roughened surface within 2 dimensional arrays of circular jet has been experimentally investigated.
  实验研究了二维圆射流阵列冲击肋粗糙表面换热。
• ( of glass) having a roughened coating resembling frost.
  （指玻璃）有类似于霜冻的不平整的覆盖物。