作为一种珍贵的宝石,红宝石是一种红色的矿物刚玉。
Rubies, valued as precious gems, are the mineral corundum in its red form.
红宝石是对红色矿物刚玉的俗称,它是一种珍贵的宝石。
Ruby, the common name for the mineral corundum in its red form, is a precious gemstone.
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。
A sapphire, the common name for the mineral corundum in its transparent blue form, sparkles.
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