Pfo
[医][=patent foramen ovale(cordis)]卵园孔未闭（心脏）
🗣️ 情景例句
I need a new toothbrush. My old one's worn out.
我需要一支新牙刷。旧的用坏了。
Work bears witness who does well.
工作能证明谁人做得好。
He usually drops in at my place on his way home.
他常常在回家的路上顺便来看看我。