Epidemicity
流行性
🗣️ 情景例句
I wanted to, but Jack Davis needed a photographer.
我真的想参加上课， 但Jack Davis要我拍照。
In Britain, there are open universities.
在英国，有成人大学。
In the life her thoughts were on lunch and a good rest;
她乘上电梯后，只想着午餐和好好休息一下。