This is the 12726th most frequent Portuguese word.
túneis
"Túneis" means "tunnels" in English.
Here, 'túneis' is used to refer to underground passages beneath the city.
Os túneis sob a cidade são antigos.
The tunnels under the city are old.
In this context, 'túneis' signifies the pathways traversed for an exploration activity.
Caminhamos pelos túneis durante a exploração.
We walked through the tunnels during the exploration.
Here, 'túneis' denotes the infrastructural components being built for subway usage.