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, that's what fathers are for.
嗯，父亲们的用处正在于此。
It's a deal.
一言为定。
so she ran straight at them.
于是她直冲过去。