Epidemiological
a. 流行病学
✅ 同义词
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
Two is company, but three is none.
两人成为伴，三人不结侣。
We can give you a discount if you order for immediate shipment.
如果你的订单是马上出货的话，我们可以打折。