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tourmaline

/ˈtʊə.mə.liːn/

翻译: 一种复杂的硼硅酸盐矿物,含有铁、镁、钙、锂、钠等元素;通常为黑色,但也有透明的彩色品种,可用作宝石。

1 个条目

noun

/ˈtʊə.mə.liːn/C1formal
  • zh一种复杂的硼硅酸盐矿物,含有铁、镁、钙、锂、钠等元素;通常为黑色,但也有透明的彩色品种,可用作宝石。

A mineral that is a complex borosilicate and hydroxide of aluminum containing various elements such as iron, magnesium, calcium, lithium, and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones.

  1. Mineral and gemstoneC1formal

    A crystalline mineral composed of complex borosilicates and hydroxides of aluminum, often containing iron, magnesium, calcium, lithium, or sodium. It is typically black but can be found in transparent, colored varieties used as gemstones.

    zh矿物和宝石

    • The jeweler displayed a necklace with a rare pink tourmaline.
    • Tourmaline is valued for its wide range of colors, from green to blue to red.
    • Geologists discovered a large deposit of black tourmaline in the mine.
词形
  • tourmalines plural form
  • tourmalines' possessive plural form
  • tourmaline's possessive singular form