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。
• The surface of the heart with hemorrhagic pericarditis demonstrates a roughened and red appearance.
  出血性心包炎的心脏表面呈红色粗糙状。
• She lifted her big, roughened hands.
  她举起了那双粗糙的大手。
• Then the wood was set afire, a fire that roughened and darkened the ribbed surfaces of the concrete.
  然后是木材着火，大火，粗糙和黝黑的肋表面的混凝土。
• 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。
• 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。
• 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。
• The behaviors of dissociative adsorption of ethanol on roughened platinum-ruthenium electrode with high activity of SERS were studied by using cyclic voltammetry and in-situ surface enhanced Raman spectroscopy, surface enhanced Raman spectra of dissociative adsorption of ethanol on Pt electrode in acid was obtained for the first time.
  应用电化学循环伏安法和原位表面增强拉曼光谱研究了乙醇在Pt-Ru电极上的解离吸附与氧化行为，首次获得了酸性介质中乙醇在Pt-Ru电极上解离吸附的表面拉曼光谱。
• The surface appears roughened from the normal glistening appearance by the strands of pink-tan fibrin.
  由于红褐色的纤维蛋白沉积，心包表面由光滑发光变得粗糙。
• 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。