Retropulpitis
逆行性牙髓炎
🗣️ 情景例句
I think you're doing the right thing. Taking your time.
我觉得你们做得对。慢慢来。
Late repentance is seldom true.
后悔少有诚意。
When the bees came back to the hive, Von Frisch saw a curious sight.
当蜜蜂返回蜂箱时，冯·弗里施看到一个奇特的现象。