Translation: Una semana
La semana.
esta semana
La semana.
Cada semana.
fin de semana
hace una semana
it means: weekThe word "semana" means "week" in Spanish. Una semana is one week and the plural of "semana" is "semanas." Semana is a feminine term.
last week I swam = Nadé en la semana pasada
Cinco días por semana.
Tres veces a la semana.
"Diez veces a la semana."
In Spanish, you don't say, "Which one?" Instead, you just say "Which?" To say that, you say "¿Cuál?" It's pronounced, 'kwal.'