人痘接种预防天花是中国古代医学家的伟大发明。
Smallpox inoculation or variolation is a great invention of medicine in ancient China.
文摘：人痘接种预防天花是中国古代医学家的伟大发明。
Abstract: Smallpox inoculation or variolation is a great invention of medicine in ancient China.
古代医学中就有记载：“山楂破气，不宜多食。”
Ancient medicine has recorded: "Hawthorn broken gas, not more food."
应用推荐