Epidemicity
流行性
🗣️ 情景例句
He never married.
他没有结过婚。
He admitted his guilt to the police.
他向警方承认犯罪。
It has never been explained why university students seem to enjoy practical jokes more than else.
谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。