Cementogenesis
[医] 牙骨质发生
🗣️ 情景例句
Sure, Dad.
一定， 爸爸。
No matter what she says, don't show you are afraid.
不论她说什么，你也不要让人知道你害怕了。
when the plane suddenly turned round and flew back to the airport.
这时飞机突然调转头来，飞回了机场。