Osteodentin
[医] 骨性牙质
🗣️ 情景例句
Pleased to meet you.
很高兴遇见你 。
I ask him to tell me everything he heard.
我要求他告诉我，他所听到的每件事情。
It is disturbing to think that a dangerous wild animal is still at large in the quiet countryside.
想到在宁静的乡村里有一头危险的野兽继续逍遥流窜，真令人担心。