优生保健 yōushēngbǎojiàn eugenics and health care Definitions Defs Origin Strokes Stroke Words Sentences Sents 优生 優生 yōushēng eugenics The science or practice of improving a population by controlled breeding to increase the occurrence of desirable heritable characteristics保健 bǎojiàn noun health care The protection and maintenance of physical and mental health; health protection
