pandemics是什么意思？

pandemics

• n. （全国或全球性）流行病，大流行病( pandemic的名词复数 )；

例句

• Previous pandemics have been characterized by waves of activity spread over months. 以往大流行的特点是一波接一波的流行持续数月之久.
• Since then, there have been a total of eight cholera pandemics. 从那时开始, 霍乱大流行总共爆发过8次.
• Periods when diseases spread around the world are called pandemics. 疾病在全世界范围内传播时期称为大流行.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  （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.
  例句
  They feared a new cholera pandemic... 他们担心新一轮的霍乱大流行。 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。