Osteodentin
[医] 骨性牙质
🗣️ 情景例句
You bet!
当然！
What's done can't be undone.
无可挽回。 泼水难收？
The question became one of whether Man could control the disease he had invented.
现在的问题是，人类能否控制住这种人为的疾病。