Usages of la sirène
Nous attendions devant la maison quand une sirène a sonné.
We were waiting in front of the house when a siren went off.
Une sirène a sonné pendant que la police cherchait le voleur.
A siren went off while the police were looking for the thief.
Nous mangions quand la sirène a sonné, alors le chat a paniqué et s'est échappé.
We were eating when the siren sounded, so the cat panicked and escaped.
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