- any of various volatile organic oils present in plants, usually containing terpenes and esters and having the odour or flavour of the plant from which they are extracted: used in flavouring and perfumery
| 单词 | essential oil |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 essen′tial oil′,
Collins Concise English Dictionary © HarperCollins Publishers:: essential oil n
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