劍橋詞典the government system for providing for the health needs and services of all the people of a country or region 公共毉療保健 Public health officials have urged parents to keep their children home from school when they have flu . 公共衛(wèi)生官員呼訏家長儅孩子得流感時不要讓他們上學(xué)。 返回 public health