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1. Oxford Dictionary

   public health

   • n.
     the health of the population as a whole, especially as the subject of government regulation and support；the branch of medicine dealing with public health, including hygiene, epidemiology, and disease prevention

   • noun: public health

2. • 釋義

   n.

   名詞

   • 1. the health of the population as a whole, especially as the subject of government regulation and support chlorine has been used to disinfect water supplies to protect public health a public health risk
   • ▪ the branch of medicine dealing with public health, including hygiene, epidemiology, and disease prevention these diseases are of great interest in the field of public health