transitive. Usually in passive. To mark with riblike lines or ridges; to form or shape into ridges. Also reflexive.
transitive. To mark with or as with ridges; to raise ridges or ripples upon (a surface).
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。