Epidemiology
n. 传染病学, 流行病学\\n[医] 流行病学
🗣️ 情景例句
She won't be happy when she sees what you've done with your hair.
当她看到你将头发搞成这个样了了，就高兴不起来了。
A friend in court is better than a penny in purse.
曩中有钱，不如朝中有友。
OK. Thanks.
谢谢！