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coal tar

/ˈkəʊl tɑːr/

翻译: 煤焦油,是煤在干馏或气化过程中得到的深色粘稠液体或半固体副产物,主要由芳香族碳氢化合物组成,用于工业(如防腐、铺路、化工原料),历史上也用于治疗皮肤病。

1 个条目

phrase

/ˈkəʊl tɑːr/C1formaltechnical
  • zh煤焦油,是煤在干馏或气化过程中得到的深色粘稠液体或半固体副产物,主要由芳香族碳氢化合物组成,用于工业(如防腐、铺路、化工原料),历史上也用于治疗皮肤病。

A thick, dark liquid or semi-solid byproduct obtained from the destructive distillation of coal, used in industrial applications and historically in medical treatments for skin conditions.

  1. Thick liquid byproductC1formal

    A thick, dark liquid or semi-solid byproduct obtained from the destructive distillation of coal, used in various industrial and medical applications.

    zh粘稠液体副产品

    • Coal tar is used in the production of certain dyes and paints.
    • The factory processes coal tar to extract useful chemicals.
    • Historically, coal tar was a key ingredient in roofing materials.
  2. Medical treatmentC1formal

    A topical preparation derived from coal tar, used to treat skin conditions such as psoriasis, eczema, and dandruff.

    zh医疗制剂

    • The doctor prescribed a coal tar shampoo for her dandruff.
    • Coal tar ointment can help reduce the scaling associated with psoriasis.
    • He applied coal tar cream to the affected areas of his skin.