“黑曜石”例句

单词 黑曜石
例句 DEFINITIVE EXAMPLES 权威例句〔conchoidal〕Of, relating to, or being a surface characterized by smooth, shell-like convexities and concavities, as on fractured obsidian.贝壳状的:(属于)表面光滑且呈贝壳状凸凹特点的、或与之有关的,如黑曜石碎块美国传统

 

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