esssential oil

• 挥发油

esssential oil的用法和样例：

例句

1. Chemical Constituents in Volatile Oil from Fruits of Alpinia oxyphylla Miq.
   中药益智挥发油化学成分。
2. Chemical constituents of the volatile oil from Calophyllum inophyllum Linn.
   红厚壳挥发油化学成分。