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bone black

/ˈbəʊn blæk/

翻译: 骨黑,一种通过隔绝空气煅烧动物骨骼制得的黑色颜料或物质,历史上用于颜料、墨水,并用作精炼糖的脱色剂。

1 个条目

phrase

/ˈbəʊn blæk/C1formaltechnical
  • zh骨黑,一种通过隔绝空气煅烧动物骨骼制得的黑色颜料或物质,历史上用于颜料、墨水,并用作精炼糖的脱色剂。

A black pigment or substance made by charring animal bones in a closed container, used historically in paints, inks, and as a decolorizing agent in sugar refining.

  1. Pigment from charred bonesC2formal

    A black pigment made by charring animal bones in a closed container, used in paints, inks, and as a decolorizing agent.

    zh骨炭黑颜料

    • The artist used bone black to create deep shadows in the portrait.
    • Bone black is often used in the production of black ink for printing.
    • In the lab, bone black is employed as a filtering agent to remove impurities from solutions.