A sapphire, the common name for the mineral corundum in its transparent blue form, sparkles.
这是一颗熠熠生辉的蓝宝石。对显而易见的蓝色矿物刚玉通常称之为蓝宝石。
From the Middle East the Chinese acquired a blue pigment—a purified form of cobalt oxide unobtainable at that time in China—that contained only a low level of manganese.
中国人从中东获得了一种蓝色颜料,这是一种当时在中国很难得到的纯净的氧化钴,这种颜料只含有少量的锰。
Recent chemical analysis has identified the blue fluorescent material they contain as a glycosylated form of anthranilic acid.
最近的化学分析已确定它们所包含的蓝色荧光物质是邻氨基苯甲酸的糖基化形式。
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