corundum

[美國]/kəˈrʌndəm/
[英國]/kəˈrʌndəm/
詞頻: 非常高

中文釋義

n.剛玉,金剛砂;剛玉
Word Forms
複數corundums

短語搭配

corundum crystal

剛玉晶體

synthetic corundum

合成剛玉

corundum abrasive

剛玉磨料

corundum gemstone

剛玉寶石

corundum powder

剛玉粉末

corundum structure

剛玉結構

corundum variety

剛玉品種

corundum hardness

剛玉硬度

corundum layer

剛玉層

corundum source

剛玉來源

例句

corundum is a mineral that is used in abrasives.

剛玉是一種用於磨料的礦物。

ruby and sapphire are varieties of corundum.

紅寶石和藍寶石是剛玉的變種。

the hardness of corundum makes it ideal for industrial applications.

剛玉的硬度使其非常適合工業應用。

corundum can be found in metamorphic rocks.

剛玉可以在變質岩中找到。

some gemstones are made from corundum crystals.

一些寶石是由剛玉晶體制成的。

corundum is often used as a grinding material.

剛玉常用作磨削材料。

the blue color of sapphire comes from corundum.

藍寶石的藍色來自剛玉。

corundum has a high melting point, making it useful in high-temperature applications.

剛玉具有高熔點,使其在高溫應用中非常有用。

corundum is classified as a hard mineral on the mohs scale.

剛玉在莫氏硬度表上被分類爲硬礦物。

jewelry made from corundum is highly valued.

由剛玉製成的珠寶非常有價值。

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