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  1. Oxford American Dictionary

    crude oil

    • IPA[ˌkro͞od ˈoil]

    美式

    • n.
      unrefined petroleum

    • noun: crude oil

    • 釋義

    名詞

    • 1. unrefined petroleum a shortage of crude oil
    • 更多解釋

    crude oil

    • n.
      unrefined petroleum: vast reserves of crude oil were discovered in the region

    Oxford Dictionary