This is the 5445th most frequent Russian word.
печи
"Печи" in English means "stoves" or "ovens" (plural form).
In this sentence, 'печи' (stoves) is used in the plural form to refer to heating devices commonly found in homes and used for warming or cooking.
Я добавляю дрова в печи утром.
I add firewood to the stoves in the morning.
Here, the word 'печи' is plural, referring to old traditional stoves, which often are of cultural and historical significance.
Во время экскурсии мы увидели старинные русские печи.
During the excursion, we saw antique Russian stoves.
In this context, 'печей' is the genitive plural form of 'печь' (stove), indicating possession or relation to the stoves being referenced.