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
I need to fit a fourth operation into his schedule.
我得在他的工作表上再加第四个手术。
Could you tell me the cost of production per unit?
请你告诉我每件成品的生产成本好吗？
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。