This is the 3388th most frequent Portuguese word.
in
The Portuguese word "in" does not exist as a standalone word. If you meant "em," it translates to "in" or "on" in English, depending on context.
Here, 'na' (in the) is used to express location, combining 'em' (in) and 'a' (the).
Eu moro na cidade.
I live in the city.
'Na' (in the) indicates placement within a specific location, emphasizing the relationship of objects to the shelf.
Os livros estão na prateleira.
The books are on the shelf.
'Na' (in the) describes the interaction between moonlight and the water surface, conveying its reflection.