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
Richard, did you go to the Davis Aerobics class today? Richard
你去上Davis有氧运动健身课了吗？
I have some difficulty in expressing myself.
我表达起来有点困难。
Unlike her friends, she never gave up hope.
与她的朋友的不同之处是，她从不放弃希望。