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
Well, please sit down
嗯， 请坐下来
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
'You must give up fishing!' my friends say.
“你可别再钓鱼了！”我的朋友们说，