Osteodentin
[医] 骨性牙质
🗣️ 情景例句
But to tell the truth,
但是老实说，
I'm taking Chinese and History.
我将选中文和历史。
and no father is confronted with his inability to 'buy'an education for his child.
也不存在父亲无力为孩子支付教育费用而犯难的问题。