This is the 5484th most frequent Polish word.
te偶
The Polish word "te" means "these" in English. (Note: "te偶" appears to include an extra character "偶," which is not Polish—please clarify if needed.)
Here, 'te' is used as a demonstrative pronoun describing the noun 'books' (książki), indicating specific books.
Te książki są ciekawe.
These books are interesting.
In this sentence, 'te' again functions as a demonstrative pronoun modifying 'days' (dni), specifying particular days referred to in the context.
Te dni były pełne emocji.
These days were full of emotions.
'Te' serves as a demonstrative pronoun pertaining to the noun 'movies' (filmy), identifying particular movies being discussed.