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  1. Oxford American Dictionary

    PET scan

    • n.
      an image made using positron emission tomography, especially one of the brain

    • noun: PET scan, plural noun: PET scans

    • 釋義

    名詞

    • 1. an image made using positron emission tomography, especially one of the brain the PET scans showed a spike in the activation of the brain's opioid receptors