Retropulpitis
逆行性牙髓炎
🗣️ 情景例句
We are, too.
我们也很兴奋。
If it doesn't rain tomorrow, we'll have a picnic.
如果明天不下雨，我们就去野餐。
Since its discovery, it has become a sort of potholers' Everest.
自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，