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

• Experimental research and analysis of heat transfer augmentation in narrow passages with roughened surface and pin-fins
  窄缝通道内带粗糙面和扰流柱的强化换热实验与热力性能分析冲击粗糙壁面复合冷却实验研究
• 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。
• Ordered double-layer structures of gold/ silver nanoparticles on roughened gold substrates were obtained by self-assembly method, where benzidine was used as the coupling molecules.
  采用自组装方法，以联苯胺为偶联分子，在粗糙金基底表面构筑了金/银纳米粒子的双层有序结构。
• 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。
• Still, even this roughened look had, on close inspection, its slow fashion element: all the sleeves came with delicate hand-braided sleeves.
  不过，细究起来，就连这种看似粗糙的外观都有“慢时尚”的元素：所有的袖子都是手工精心编成的。
• 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。
• And the long months of hard work at Tara had roughened her hands until they were far from pretty.
  在塔拉的期艰苦岁月中，她的手被磨得粗糙乃至很难说是秀丽的了。
• 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。
• A hydroxyapatite coating with nano-structure on the roughened titanium surface was prepared by electrophoretic deposition process.
  应用沉淀法合成纳米羟基磷灰石，并以电泳沉积法在粗糙化的钛表面制备纳米结构的羟基磷灰石涂层。
• 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。