This is the 5500th most frequent Russian word.
подростками
"Подростками" means "teenagers" or "adolescents" in English.
Here, 'подростками' is used as an instrumental plural, meaning 'with teenagers'.
Мы гуляли в парке с подростками.
We were walking in the park with teenagers.
In this sentence, 'подростками' functions as an instrumental plural, indicating that the action of reading is done by teenagers.
Эти книги идеально подходят для чтения подростками.
These books are perfect for being read by teenagers.
'Подростками' is utilized as an instrumental plural, describing who is involved in the discussion.