Usages of a sirene
Ouvida a sirene, os bombeiros puderam socorrer as vítimas.
Once the siren was heard, the firefighters could rescue the victims.
Terminado o resgate, desligaram a sirene.
With the rescue finished, they turned off the siren.
Não podemos evacuar a vila a não ser que soe a sirene.
We cannot evacuate the village unless the siren sounds.
Elon.io is an online learning platform
We have an entire course teaching Portuguese (Portugal) grammar and vocabulary.