surveillance
noun /sɜːˈveɪləns/
/sɜːrˈveɪləns/
[uncountable]- the act of carefully watching a person suspected of a crime or a place where a crime may be committed
synonym observation(对犯罪嫌疑人或可能发生犯罪的地方的)监视 - The police are keeping the suspects under constant surveillance.
警方正对嫌疑人实施不间断监视。 - surveillance cameras/equipment
监视摄像机/设备
Topics War and conflictc1, Crime and punishmentc1- The suspects are under police surveillance.
嫌疑人在警方的监视之下。 - The images were covertly captured on surveillance tape.
监控录像带偷偷记录下了这些影像。
Collocations Dictionaryadjective- close
- constant
- regular
- …
- be under
- keep somebody/something under
- place somebody/something under
- …
- camera
- device
- equipment
- …
词源early 19th cent.: from French, from sur- ‘over’ + veiller ‘watch’ (from Latin vigilare ‘keep watch’). - The police are keeping the suspects under constant surveillance.