Retropulpitis
逆行性牙髓炎
🗣️ 情景例句
At any rate, our country and the United States need each other.
总而言之，我国与美国相互需要。
Is the distribution of wealth uneven in your country?
在你们国家财富分配得均匀吗？
I have an exhibition in London this coming month.
下个月我在伦敦要举办一次画展。