pongam oil

例句：

1. 1. The pongam oil is a natural product that has been used for centuries in traditional medicine.
   油胶是一种天然产品，自古以来就被用于传统医学。
2. 2.The pongam oil has been shown to have antibacterial properties, making it useful in wound care.
   油胶已被证明具有抗菌性质，使其在伤口护理中很有用。
3. 3. In the field of agriculture, pongam oil is often used as a soil conditioner to improve soil structure and fertility.
   在农业领域，油胶通常被用作土壤调理剂，以改善土壤结构并提高肥力。