Odontogeny
[醫] 牙發生, 牙生成
??? 情景例句
In friendship, always. Alexandra.
友情永不渝。Alexandra。"
I sure hope I can answer them for you.
我真的希望我能回答你的問題。
And this is Luming.He is Chinese.
這位是魯明。他是中國人。