Polonio
[地名] [乌拉圭] 波洛尼奥
🗣️ 情景例句
What's Harry doing tonight?
Harry，今晚做什么？
I'm a graduate of Yale University, I have an M.S.degree.
我是耶鲁大学的毕业生，我有理学硕士学位。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。