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  1. essential oil

    • IPA[əˈsen(t)SHəl oil]

    美式

    • n.
      a natural oil typically obtained by distillation and having the characteristic fragrance of the plant or other source from which it is extracted.
    • noun: essential oil, plural noun: essential oils

    • 更多解釋

    英式

    • n.
      a natural oil typically obtained by distillation and having the characteristic odour of the ...

    Oxford Dictionary

    • n.
      A volatile oil, usually having the characteristic odor or flavor of the plant from which it is ...
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