corundum
常见例句
- Rubies, valued as precious gems, are the mineral corundum in its red form.
作为一种珍贵的宝石，红宝石是一种红色的矿物刚玉。 - Moreover, corundum and periclase have not been detected in space dust before.
而且，此前在太空尘埃中还未侦测到刚玉和方镁石。 - Ruby, the common name for the mineral corundum in its red form, is a precious gemstone.
红宝石是对红色矿物刚玉的俗称，它是一种珍贵的宝石。 返回 corundum