eu·gen·ics /jʊˈʤɛnɪks/
  優生學
  eu·gen·ics /jʊˈʤɛnɪks/ 名詞
  優生學
  Eu·gen·ics n. The science of improving stock, whether human or animal.
  ◄ ►
  eugenics
       n : the study of methods of improving genetic qualities by
           selective breeding (especially as applied to human
           mating) [ant: dysgenics]