Orthodentin
[医] 直型牙本质, 正牙质
🗣️ 情景例句
Sorry, but she is out for lunch right now.
抱歉，她现在出去吃午饭了。
I'm only joking.
我是开玩笑的。
The intellectual, who is working on some abstruse problem, has everything coordinated and organized for the matter in hand.
一个专心钻研某个复杂问题的知识分子，为了搞好手头的研究，要把一切都协调一致，组织周密。