basic extractant

例句：

1. 1. The basic extractant is crucial for the extraction process.
   基本萃取剂对于提取过程至关重要。
2. 2. The new method uses a basic extractant that is more environmentally friendly.
   新方法使用了一种更环保的基本萃取剂。
3. 3. The basic extractant was used to extract essential oils from the plant.
   基本萃取剂被用来从植物中提取精油。