Added a new recipe for Ethereal Oil to grand master alchemy trainers.

宗师级炼金学训练师增加了一个新的配方：无形之油。

It is emphatically discussed that the entrainer is applied for supercritical fluid extraction (SFE) of available components in tobacco, such as nicotine, solanesol and ethereal oil.

重点讨论了夹带剂在超临界萃取烟草中烟碱、茄尼醇、精油等有效成分中的应用。