epidemic相关的词根或词缀是: demo

复数： epidemics

提示：点击例句中的单词，就可以看到词义解释

Americans are experiencing an epidemic of overweight and obesity .

美国人正处于超重和肥胖症的流行阶段。

The world health organization calls obesity a global epidemic .

世界卫生组织称肥胖症为一种全球流行病。

Monitoring the chatter , however , may nip such an epidemic in the bud .

如果能监视这种跃动，就有可能将瘟疫消灭在萌芽时期。

A full-blown epidemic in a big wheat-growing area could therefore be catastrophic .

该病在一个大麦产区的流行性大爆发很可能是灾难性的。

The swine flu virus in the u.s. is the same one causing a deadly epidemic in mexico . What is swine flu ?

美国已发现的猪流感病毒和在墨西哥引起致命传染的是同一病毒.猪流感是什么东西？