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 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。
• In this research, the SERS technique was used to obtain the information about the characteristics of conformation and surface property of leucine and isoleucine SAMs adsorbed at roughened silver surface when the pH value of the solution was changed or electrode potential was shifted.
  本文利用SERS技术研究了在粗糙化银电极表面吸附的亮氨酸和异亮氨酸自组装单分子膜结构及其表面性质随溶液酸碱性和电极电位改变的特征。
• 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。
• The Raman spectra of benzene electrochemical adsorption on a roughened Rh electrode have been studied successfully by proper electrode treatment process.
  利用成熟的电极处理方法成功地获得了苯在粗糙铑电极上电化学吸附的拉曼谱图。
• 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。
• 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 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。
• It also includes the results from several studies on artificially roughened pipelines.
  这里还包括一些在人工加糙管道内做的试验结果。
• She put her hand, which was a comfortable hand though roughened by work, upon my hands, one after another, and gently took them out of my hair.
  她把手放在我的手上，虽然她的手由于日夜操劳而变得粗糙，可又是多么温柔舒适啊。
• 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。