Cellular cementum
[医] 含细胞牙骨质
🧩 词语组成解析
n. 牙骨质, 水门汀
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
Could I possibly make it early in the afternoon?
我可以约在下午一上班的时间吗？
Can you guess?
你能猜出来吗？