Gingivitis
n. 齿龈炎
✅ 同义词
📖 牛津释义
gingivitis
n[U]
(medical 医) inflammation of the gums 龈炎.
🗣️ 情景例句
Give me your paw.
把脚伸出来。
Happiness takes no account of time.
幸福不觉光阴过。
crowning the youngest girl with flowers in the spring, holding a summer festival on Midsummer Eve, giving thanks for the harvest in the autumn,
春天在河边为最年轻的姑娘戴上花冠，夏天在河边欢庆“仲夏前夜”，秋天在河边丰收而感恩，