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.
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美
- 香脂一种芳香脂类树脂,如秘鲁香脂和塔鲁香脂,含有大量的苯甲酸、肉桂酸,或同时含有这两种酸或其酸酯