Sabacute gingivitis
[医] 亚急性龈炎
🧩 词语组成解析
n. 齿龈炎
🗣️ 情景例句
Fine, thank you.
很好， 谢谢。
May I see a timetable?
我可以看时刻表吗？
It has sailed across the Atlantic many times.
它已经多次横渡大西洋。