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
Being a mother is not easy,
当一个母亲真不容易，
Tom's been feeling blue ever since his divorce.
自离婚以来，汤姆一直很忧郁。
You look guilty.
你看上去心虚。