nisko

In a sentence

• Ptak lata bardzo nisko nad ziemią.

  The bird flies very low above the ground.

  Here, 'nisko' is used as an adverb to describe the altitude at which the bird is flying.

• Moje mieszkanie jest na nisko położonym piętrze.

  My apartment is on a low-lying floor.

  In this sentence, 'nisko' modifies the adjective (through implication) to indicate a spatial positioning of the floor.

• Pianista zagrał nisko brzmiące akordy.

  The pianist played low-sounding chords.

  Here, 'nisko' is used to describe the depth or pitch level of the chords played.