Periapical periodontitis
[医] 根尖牙周炎
🧩 词语组成解析
[医] 根尖周的
[医] 牙周炎
🗣️ 情景例句
First round's on me.
第一轮我请客。
This nation is noted for its scientific accomplishments.
这个国家以科学成就闻名。
I'll have to try that.
我得试试这么做。