nardgrass oil

例句：

1. 1. The nardgrass oil is a natural remedy forskin conditions.
   香胶油是一种天然的皮肤治疗剂。
2. 2. The nardgrass oil hasbeen used in traditional medicine for centuries.
   香胶油在传统医学中被使用了几个世纪。
3. 3. The nardgrass oil isextracted from the nardgrass plant,which is native to tropical regions.
   香胶油是从热带地区的香胶植物中提取的。