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
- 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。 - A heavy infection with F. hepatica may be associated with roughened hair coats.
肝片吸虫的重度感染，可伴有被毛粗乱。 - His voice roughened with every word.
他说话的声音越来越嘶哑。 - 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。 - ( 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。 - 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。 - 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。 - 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。 - 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。 - 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。