Pfo
[医][=patent foramen ovale(cordis)]卵园孔未闭（心脏）
🗣️ 情景例句
You live like a pig!
你简直是住在猪窝里！
People usually stay out very late on New Year's Eve.
新年夜，人们通常都出去到很晚。
What's that?
那是什么日子？