surveillance
BrE /ˈsɜː.vɪ.leɪns/ AmE /ˈsɜːr.vəˌleɪn/
noun en → es
the act of watching and observing someone or something, especially secretly or for a long time
vigilancia, espionaje
- surveillance of somebody/something
Collocations surveillance camera · surveillance system
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The police are conducting surveillance on the suspect.
La policía está realizando vigilancia sobre el sospechoso.
the act of watching and monitoring a place or area to prevent crime or unauthorized access
vigilancia, seguridad
- surveillance in/around somewhere
Collocations surveillance footage · surveillance measures
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The building has 24-hour surveillance.
El edificio tiene vigilancia las 24 horas del día.