pandemic
adjective medical specialized uk/pænˈdem.ɪk/ us/pænˈdem.ɪk/
（疾病）大规模流行的，广泛蔓延的
(of a disease) existing in almost all of an area or in almost all of a group of people, animals, or plants
In some parts of the world malaria is still pandemic. 在世界上一些地区疟疾仍在大规模流行。
pandemic
noun [ C ] medical specialized uk/pænˈdem.ɪk/ us/pænˈdem.ɪk/
大流行病
a pandemic disease
a pandemic of influenza 流感大爆发
an influenza pandemic 流感大爆发