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  1. crude oil

    • n.
      unrefined petroleum
    • noun: crude oil

    • 釋義

    名詞

    • 1. unrefined petroleum vast reserves of crude oil were discovered in the region
    • 更多解釋
    • IPA[ˌkro͞od ˈoil]

    美式

    • n.
      unrefined petroleum: a shortage of crude oil

    Oxford American Dictionary