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

• 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。
• 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。
• His hair was very fair, his face naturally sanguine, his skin roughened by coarse soap and blunt razor blades and the cold of the winter that had just ended.
  他满头金发，面色天生红润，可用的尽是些粗肥皂钝刀片，加上刚过去的寒冬，害得他皮肤挺粗糙。
• ( 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。
• 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。
• Roughened silver electrodes were prepared by electrochemical oxidation-reduction ( ORC).
  用电化学氧化还原法（ORC）制备了粗糙化银电极。
• 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。
• 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。
• 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。
• She lifted her big, roughened hands.
  她举起了那双粗糙的大手。