Parodontitis
牙周炎
🗣️ 情景例句
We met at the hospital.
我们在医院里见过。
I don't like wearing the uniform.
我不喜欢穿制服。
In fact a basic amount of movement occurs during sleep which is specifically concerned with preventing muscle inactivity.
事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。