Osteodentin
[医] 骨性牙质
🗣️ 情景例句
He gave them to me to hold on to them
他给我戒指， 要我自己保管，
This year I'm in a co-ed dorm.
今年我住在男女生合住的宿舍。
He must strive continually to think of, and use, form in its full spatial completeness.
他必须勤于想像并且利用形体在空间中的完整性。