This is the 11905th most frequent French word.
surveillent
"Surveillent" means "monitor" or "watch over."
In this sentence, 'surveillent' means to monitor or oversee the actions of visitors, indicating an act of supervision.
Les gardes surveillent les visiteurs au musée.
The guards are monitoring the visitors in the museum.
Here, 'surveillent' conveys the act of watching over or keeping an eye on to ensure safety.
Les parents surveillent leurs enfants à la plage.
The parents are watching their children at the beach.
In this usage, 'surveillent' refers to the act of observing or recording, typically through automated systems.