niger oil

例句：

1. 1.The company uses niger oil as a key ingredient in its cosmetics.
   该公司在其化妆品中使用尼日尔油作为关键成分。
2. 2.The production of niger oil is a major source of income for the region.
   尼日尔油的生产和出口是该地区的主要收入来源。
3. 3. The use of niger oil in cooking has become increasingly popular among food enthusiasts.
   在烹饪中使用尼日尔油越来越受到美食爱好者的喜爱。