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 moonlight as a reporter.
我兼职当记者。
Troubles never come singly.
祸不单行。
You should always depend on yourself rather than someone else.
你应该是依靠你自己，而不足别人。