Epidemics
[ [ˌepi'demiks] ]
辅助 Assistant
n. 流行病；时疫；蔓延（epidemic的复数）
🗣️ 情景例句
Loosen up! it's not worth getting upset about.
放松点儿！ 不值得为这件事苦恼。
What are you going to do with the books?
你打算拿这些书怎么办？
Have you ever driven a BMW?
你有没有开过“宝马”？