Epidemiology
n. 传染病学, 流行病学\\n[医] 流行病学
🗣️ 情景例句
No, I'm not very good at it.
不 ，我网球不行。
Officer, give me a break.
警官，请恕我打扰一下。
If he had not broken his tooth, he would not be in hospital now.
如果他没有把牙齿弄坏，现在就不在医院了。