noun 下载 🔗分享 弧面宝石,凸面宝石。 A convex-cut, polished stone. Examples : "The jeweler carefully set the smooth, round cabochon into the silver ring. " 珠宝匠小心翼翼地将这颗光滑圆润的弧面宝石镶嵌到银戒指上。 material geology art appearance 与AI对话词汇游戏阅读练习