coumarone indene resin

例句：

1. 1. The coumarine indene resin is a natural product that has been used for centuries to treat skin conditions.
   香胶树脂是一种天然产品，自古以来就被用来治疗皮肤疾病。
2. 2. The resin from the coumarine indene tree is highly valued for its anti-inflammatory properties.
   从香胶树中提取的树脂因其抗炎特性而备受珍视。
3. 3. Coumarine indene resin is often used as a natural preservative in cosmetics and food products.
   香胶树脂常被用作化妆品和食品产品的天然防腐剂。