This is the 3981st most frequent Turkish word.
denizi
"Denizi" means "the sea" or "sea" (accusative case) in Turkish.
In this sentence, 'denizi' (the sea) is used as the object of the verb 'seyretmeyi' (watching), indicating that the sea is the entity being watched.
Denizi seyretmeyi çok seviyorum.
I love watching the sea.
Here, 'denizi' (the sea) represents the medium the birds crossed, used as the object of the verb 'geçerek' (crossing).
Kuşlar denizi geçerek kuzeye doğru uçtu.
The birds flew northward across the sea.
In this sentence, 'denizi' (the sea) is again the object, but this time, of the verb 'temiz tutmalıyız' (we must keep clean), focusing on protecting its cleanliness.