Acellular cementum
[医] 无细胞牙骨质
🧩 词语组成解析
a. 非细胞的,非细胞组成的
n. 牙骨质, 水门汀
🗣️ 情景例句
Until today, I was never really interested in medicine.
直到今天 ，我才对医学真正感兴趣。
A thousand words will not leave so deep an impression as one deed.
千言万语不如一个行动。
We are so familiar with the fact that man ages,
我们对人总是要衰老的现象并不陌生，