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
Do you know anyone who can forge a sick note for me?
你知道谁可以帮我虚开一张病假条？
It is better to wear out than to rust out.
与其锈掉，不如用坏。
Can't we visit the High Dam? I've read a lot about it; it's the biggest in the world.
我们不能去参观高坝吗？我已读了很多关于高坝的情况；它是世界上最大的。