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 are postponing our trip until the weather grows warmer.
我们拟把旅行推迟到天气暖和的一些时候。
Do you usually play baseball on the weekend?
你通常在周末打棒球吗？
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。