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.- ...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 - She lifted her big, roughened hands.
她举起了那双粗糙的大手。
- ...complexions that have been roughened by long periods in the hot sun...
英英释义
adj
双语例句
- 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。 - 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 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。 - 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。 - 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。 - ( 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。 - 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。 - 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 - 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。 - 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。