noun 下载 🔗分享 金绿宝石,金绿玉 A vitreous mineral, often pale green, a mixed oxide of aluminium and beryllium with the chemical formula BeAl2O4, used as a gemstone. Examples : "The jeweler carefully polished the chrysoberyl, revealing its pale green sparkle. " 珠宝匠小心地打磨着那块金绿宝石,使其淡绿色的光芒显露出来。 mineral material geology substance 与AI对话词汇游戏阅读练习