Endodontics
n. [医]牙髓学
🗣️ 情景例句
What's up?
什么事？
I want to extend my warmest welcome to all of you.
热烈欢迎大家。
The lake was not a natural one, but a man-made reservoir.
这不是一个天然湖泊，是一座人工修建的水库。