This is the 7967th most frequent Turkish word.
kuleleri
"Towers."
In the sentence, "kuleleri" is the object of the verb "seviyorum," meaning "I love them (the towers).", showing possessive plural form.
İstanbul'un simgesi olan kuleleri çok seviyorum.
I really love the towers that symbolize Istanbul.
Here, "kuleleri" signifies the towers being studied, indicating the plural accusative form.
Arkeologlar antik şehirdeki kuleleri inceliyorlar.
Archaeologists are examining the towers in the ancient city.
In this usage, "kuleleri" serves as the direct object of "tırmanıyor," which means "to climb," again in the plural accusative form.