Ivory is really only dentine and is no different from ordinary teeth.
Ivory is really only dentine and is no different from ordinary teeth.
象牙本身只是普通的牙齿，以其它的齿类没有什么不同。
Ivory is really only dentine and is no different from ordinary teeth.
象牙本身只是普通的牙齿，以其它的齿类没有什么不同。