Cementoblast
成牙骨质细胞, 成齿骨质细胞
🔁 扩展释义
【医】 成牙骨质细胞
🗣️ 情景例句
How old are you, Albert?
几岁啦， Albert？
Who is the author of this novel?
这篇小说的作者是谁？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，