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  1. Oxford Dictionary

    detector

    • IPA[dɪˈtɛktə]

    英式

    • n.
      a device or instrument designed to detect the presence of a particular object or substance

    • noun: detector, plural noun: detectors

    • 釋義

    名詞

    • 1. a device or instrument designed to detect the presence of a particular object or substance methane detectors