Cementitis
[医] 牙骨质炎
🗣️ 情景例句
What time do your classes start?
你的课什么时候开始？
Do I need a reservation for the dining car?
我需要预订餐车吗？
I said I would be at your house at six o'clock, but the boss want me to do some extra work.
我说过我6点到你家，但老板要我加班。