表面光滑且呈贝壳状凸凹特点的、或与之有关的，如黑曜石碎块

表面光滑且呈贝壳状凸凹特点的、或与之有关的，如黑曜石碎块的英文翻译

基本释义

• of,relating to,or being a surface characterized by smooth,shell-like convexities and concavities,as on fractured obsidian