eugenics

/juːˈd͡ʒɛnɪks/ 名词 C2

中文：优生学、善种学

A social philosophy or practice which advocates the improvement of human hereditary qualities through selective breeding, either by encouraging people with superior genetic qualities to reproduce (positive eugenics), or discouraging people with inferior genetic qualities from reproducing (negative eugenics), or by technological means. (uncountable)

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