Retropulpitis
逆行性牙髓炎
🗣️ 情景例句
Well,
嗯，
I'm feeling rather blue.
我觉得有些沮丧。
Here was a seven-year-old girl who at the age of 19 months had become deaf and blind.
一个7岁的女孩，出生19个月后就得了聋盲症。