prostredný znamená v Angličtina

center [centered, centering, centers]▼(of, at or related to center)
adjective
[UK: ˈsen.tə(r)] [US: ˈsen.tər]

mediocre▼(having no peculiar or outstanding features)
adjective
[UK: ˌmiː.dɪ.ˈəʊkə(r)] [US: ˌmiː.dɪˈo.ʊkə(r)]

middle▼(located in the middle; in between)
adjective
[UK: ˈmɪd.l̩] [US: ˈmɪd.l̩]