Retropulpitis
逆行性牙髓炎
🗣️ 情景例句
around your schedule,
配合你的时间表
Necessity and opportunity may make a coward valiant.
需要和机会，可使懦夫变勇敢。
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。