Usages of sýrenan
Um leið og við heyrum sýrenuna, hlaupum við út.
As soon as we hear the siren, we run out.
Þeir rýmdu bygginguna um leið og þeir heyrðu sýrenuna.
They evacuated the building as soon as they heard the siren.
Elon.io is an online learning platform
We have an entire course teaching Icelandic grammar and vocabulary.