semanas

In a sentence

• Eu trabalho cinco dias por semanas.

  I work five days per week.

  Here, 'semanas' is used to specify a period of time, 'week', in the context of a recurring schedule.

• As semanas do verão são mais animadas.

  The summer weeks are livelier.

  In this sentence, 'semanas' refers to a specific group of weeks during the summer, emphasizing a period related to an event or season.

• Faltam duas semanas para o meu aniversário.

  There are two weeks left until my birthday.

  Here, 'semanas' indicates the remaining duration of time until a future event, showing its use in calculating time intervals.