形容词（疾病）大流行的; 普遍的，全世界的

名词（全国或全球性）流行病，大流行病

1. （疾病的）大流行，广泛传播
A pandemic is an occurrence of a disease that affects many people over a very wide area.

e.g. They feared a new cholera pandemic...
他们担心新一轮的霍乱大流行。
e.g. One pandemic of Spanish flu took nearly 22 million lives worldwide.
西班牙流感的大爆发夺去了全球近2,200万人的生命。

noun

1. an epidemic that is geographically widespread
occurring throughout a region or even throughout the world