This is the 15601st most frequent Polish word.
strzelnicy
"Strzelnicy" means "shooting range" in English.
In this sentence, 'strzelnicy' is used in the locative case to indicate the location where the activity took place.
Byliśmy na strzelnicy, gdzie ćwiczyłem celność.
We were at the shooting range where I practiced accuracy.
Here, 'strzelnic' is used in the genitive plural form to reference the designs for multiple shooting ranges.
Potrzebujemy projekty nowych strzelnic na przyszły sezon.
We need designs for new shooting ranges for the next season.
'Strzelnicy' here is in the genitive singular form, denoting ownership of the shooting range.