Necrotizing ulcerative gingivitis
[医] 坏死溃疡性龈炎
🧩 词语组成解析
[医] 引起坏死的
a. (使)形成溃疡, (使)溃烂, (使)腐败\\n[医] 溃疡的, 溃疡性的
n. 齿龈炎
🗣️ 情景例句
He's just fooling around.
他用情不专。
This problem is hard to solve.
要解决这个问题不简单。
The village no longer existed because it had been submerged, and all the valley too.
村庄已不复存在，因为已经为水所淹，山谷也被水淹没了。