Cementodentinary
[医] 牙骨牙质的
🗣️ 情景例句
There's a conversation we have to finish.
我们有一段话还没有谈完呢。
May I ask you a question?
我可以问一个问题吗？
Do you think you'll be able to go to sleep right away?
你认为你马上就能睡着吗？