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  1. surveillance

    • IPA[sərˈvāləns]

    美式

    • n.
      close observation, especially of a suspected spy or criminal
    • noun: surveillance

    • 釋義
    • 相關詞

    名詞

    • 1. close observation, especially of a suspected spy or criminal he found himself put under surveillance by military intelligence
    • n.
      the monitoring of or collection of information about the individuals in a large group of ... the standard justification for mass surveillance is to avert terrorism the use of licence plate scanners has raised concerns about mass surveillance and privacy

    Oxford Dictionary

    • n.
      the monitoring of or collection of information about the individuals in a large group of ... the standard justification for mass surveillance is to avert terrorism the use of license plate scanners has raised concerns about mass surveillance and privacy

    Oxford American Dictionary

    • 更多解釋
    • IPA[səˈveɪləns]

    英式

    • n.
      close observation, especially of a suspected spy or criminal: he found himself put under surveillance by British military intelligence

    Oxford Dictionary