• Any of several aromatic resins, such as balsam of Peru and Tolu balsam, that contain considerable amounts of benzoic acid, cinnamic acid, or both, or their esters.

    香脂种芳香脂类树脂秘鲁香脂塔鲁香脂,含有大量苯甲酸、。

    youdao

  • Any of several aromatic resins, such as balsam of Peru and Tolu balsam, that contain considerable amounts of benzoic acid, cinnamic acid, or both, or their esters.

    香脂种芳香脂类树脂秘鲁香脂塔鲁香脂,含有大量苯甲酸、。

    youdao

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