The study of improving the genetic quality of the human population through controlled breeding; also called [[善种学|善種學|shan4 zhong3 xue2]] or [[淑种学|淑種學|shu1 zhong3 xue2]].

Health care measures taken to improve the population quality, protect maternal and child health, and enhance family well-being; specifically includes prenatal care, genetic counseling, and family planning.

A student with exceptional natural talent or academic ability; a brilliant student.