Epidemics
[ [ˌepi'demiks] ]
辅助 Assistant
n. 流行病；时疫；蔓延（epidemic的复数）
🗣️ 情景例句
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
Do you work near the library?
你在图书馆附近工作吗？
A cat's ability to survive falls is based on fact.
猫在跌落时能够大难不死是有事实作为依据的。