Fpf
[医][=fetal pulmonary fluid]胎儿肺液
🗣️ 情景例句
We're in here, Dad.
我们在里面， 爸爸。
He seems very serious, but in fact he has a delightful sense of humor.
他看上去很严肃，其实很诙谐。
Where?
在哪呢？