柯林斯詞典benzoic acid 1. N a white crystalline solid occurring in many natural resins, used in the manufacture of benzoates, plasticizers, and dyes and as a food preservative (E210). Formula: C6H5COOH 苯甲酸 (Systematic name benzenecarboxylic acid) 返回 benzoic acid劍橋詞典a clear substance found in various resins and berries , used in food preservatives , medical and cosmetic products , etc. 苯甲酸（安息香酸）（一種無色物質(zhì)，可從多種樹脂和漿果中提取，用於防腐、毉療和化妝品等） 返回 benzoic acid