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  1. alternative energy

    • n.
      energy fuelled in ways that do not use up the earth's natural resources or otherwise harm the environment, especially by avoiding the use of fossil fuels or nuclear power.
    • noun: alternative energy

    • 更多解釋
    • IPA[ôlˈtərnədiv ˈenərjē]
    • n.
      energy generated in ways that do not deplete natural resources or harm the environment, ...

    Oxford American Dictionary