Epidemics
[ [ˌepi'demiks] ]
辅助 Assistant
n. 流行病；时疫；蔓延（epidemic的复数）
🗣️ 情景例句
Yes, I'm sure I can.
是的，当然可以。
What did you do the week before last?
上上星期你干了什么？
Many of them have to wait six months for their goods.
许多顾客不得不等上半年才得到所需的商品。