Epidemiological
a. 流行病学
✅ 同义词
🗣️ 情景例句
Hello.
喂。
He must needs go whom the devil drives.
势在必行。
It seems that there is a big waste pipe coming down from the town. Do you see it, over there?
好象有一条很粗的废水管从镇上通到海里。您看见了吗？在那边？