Fpf
[医][=fetal pulmonary fluid]胎儿肺液
🗣️ 情景例句
Can you speak English?
你会讲英语吗？
If the sky fll (or falls), we shall catch larks.
异想天开
They disregard social conventions without being conscious that they are doing anything extraordinary.
他们不顾社会习俗，意识不到自己所作所为有什么特殊之处。