"Leap year" in Polish — inglés-Polish dictionary | Mirar "Leap year" in inglés

the image to "leap year" in Polish
sustantivo
  1. rok przestępny (taki, w którym luty ma 29 dni)
    Year 2012 is the next leap year.
    Do you know that this year is a leap year?
    A leap year has 366 days.

"Leap year" — Collocation dictionary inglés

Leap year collocation
La variante más popular: leap year
Automatic translation (We do not guarantee its correctness): Rok przestępny
  1. leap sustantivo + year sustantivo
    Very loose collocation

    And why do we have leap years in the first place?

    Similar collocations: