Usages of confirmar
Você pode confirmar o horário da reunião amanhã?
Can you confirm the time of the meeting tomorrow?
Quando todos confirmarem presença, a tarefa ficará mais tranquila.
When everyone confirms attendance, the task will become smoother.
O sinal do celular no aeroporto é fraco, por isso é melhor confirmar antes.
The cell phone signal at the airport is weak, so it's better to confirm beforehand.
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