This is the 5742nd most frequent Polish word.
wysokich
"High" or "tall" (genitive or plural form).
The adjective 'wysokich' is in plural form and describes the noun 'drzewa', standing for the tall characteristic of trees.
Te drzewa są bardzo wysokich.
These trees are very tall.
The adjective 'wysokich' is in plural form and modifies 'częstotliwościach', indicating high frequencies in music.
On słucha muzyki o wysokich częstotliwościach.
He listens to music of high frequencies.
The adjective 'wysokich' is in plural form and modifies 'standardów', referring to the quality or level of standards.