tunnel
The word 'túnel' in Spanish translates to 'tunnel' in English. Tunnels are artificial underground passages, typically used for transportation purposes such as roads, railroads, or canals. Tunnels are often made through hills, mountains, or under bodies of water. They are structurally designed to provide a stable, safe route for individuals or vehicles to travel through. This term is commonly used in both languages with the same meaning.
We are going to cross the tunnel
This sentence is used when someone is referring to go through a tunnel, indicating that they will pass from one side to the other.
The tunnel is dark
This describes the literal physical state of a tunnel, stating that there's no light inside of it.
There's a train in the tunnel
This is used to simply state that a train is currently in a tunnel. It can also imply that there's a delay or an obstruction.