Precocious periostitis
[医] 早发性骨膜炎
🧩 词语组成解析
n. 骨膜炎\\n[医] 骨膜炎
🗣️ 情景例句
They always were,
他们过去如此，
The frog in well knows nothing of the great ocean.
井底之蛙不知汪洋大海。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。