Periostitis
n. 骨膜炎\\n[医] 骨膜炎
🗣️ 情景例句
It hurts so much when a baby gets his first teeth.
小孩子长第一颗牙齿时好痛哟。
Quick feet and busy hands fill the mouth.
手勤脚快，嘴里吃饱。
No, I didn't.
不，我不知道。