porcji

In a sentence

• Potrzebuję dwóch porcji zupy.

  I need two portions of soup.

  Here 'porcji' is used in the plural form genitive case to denote portions of something specific.

• Podzieliliśmy ciasto na równe porcje.

  We divided the cake into equal portions.

  Here 'porcji' (as part of 'porcje') is in the context of dividing something into portions.

• Zamówiłem porcję frytek.

  I ordered a portion of fries.

  Here 'porcji' relates to ordering a single serving or portion of something.