| 释义 |
corundum
英音 [ kəˈrʌndəm ]
美音 [ kəˈrʌndəm ]
释义
n. 刚玉
例句
1·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。
2·True rubies are, in fact, the red variety of a mineral called corundum .
事实上，真正的红宝石是红色刚玉族矿物。
3·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。
短语
1·corundum products
刚玉制品
2·corundum brick
刚玉砖
同义词
n.
金刚砂，[矿物]刚玉
diamond grainemery
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