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  1. fossil fuel

    • IPA[ˈfäsəl ˈˌfyo͞o(ə)l]

    美式

    • n.
      a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
    • noun: fossil fuel, plural noun: fossil fuels

    • 更多解釋

    英式

    • n.
      a natural fuel such as coal or gas, formed in the geological past from the remains of living ...

    Oxford Dictionary