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
we need to put together volunteers
我们需要募集义工
He was my sincere friend.
他是我诚挚的朋友。
Dear Abby,
亲爱的Abby，