Periaementitis
牙周膜炎
🗣️ 情景例句
Well, can you come fishing with me tomorrow?
那么， 你明天能和我一起去钓鱼吗？
Mr. Smith is a politician.He's running for election as governor.
史密斯先生是竞选州长的一名政治家。
Dentists always ask questions when it is impossible for you to answer.
牙科医生们总是在你无法作出回答的时候向你提出问题。