wieloryb

In a sentence

• Wieloryb to największy ssak morski.

  The whale is the largest marine mammal.

  Here, 'wieloryb' is used as a general noun referring to the animal species 'whale'.

• W zeszłym tygodniu widzieliśmy wieloryba na wycieczce statkiem.

  Last week, we saw a whale during a boat trip.

  Here, 'wieloryba' is the accusative case of 'wieloryb,' showing that it is the direct object of the action.

• Ochrona wielorybów jest bardzo ważna dla ekosystemu morski.

  The protection of whales is very important for the marine ecosystem.

  Here, 'wielorybów' is the genitive plural of 'wieloryb,' indicating possession or association.