Epidemics
[ [ˌepi'demiks] ]
辅助 Assistant
n. 流行病；时疫；蔓延（epidemic的复数）
🗣️ 情景例句
I can't make sense of it.
这个我弄不明白。
Who is the author of this novel?
这篇小说的作者是谁？
That's easier said than done!
说来容易做起来难哪！