Usages of a sirene
Quando a sirene tocou, a policial pediu que todos saíssem do cruzamento com calma.
When the siren sounded, the police officer asked everyone to leave the intersection calmly.
Quando ouvimos a sirene, a motorista diminuiu a velocidade imediatamente.
When we heard the siren, the driver slowed down immediately.
A policial disse que, se a sirene tocar de novo, ninguém deve atravessar a faixa de pedestres.
The police officer said that if the siren sounds again, nobody should cross the crosswalk.
Quando a sirene tocar, o motorista deve diminuir a velocidade.
When the siren sounds, the driver must slow down.
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