kultivovat angolul

culture [cultured, culturing, cultures]▼(to maintain in an environment suitable for growth)
verb
[UK: ˈkʌl.tʃə(r)] [US: ˈkʌl.tʃər]

refine [refined, refining, refines]▼(to purify from what is gross, coarse, vulgar, inelegant, low, and the like; to make elegant or excellent; to polish)
verb
[UK: rɪ.ˈfaɪn] [US: rə.ˈfaɪn]