Cemental gingiva
[医] 牙骨质龈
🧩 词语组成解析
a. 白垩质的
n. 齿龈
🗣️ 情景例句
He prays every night before sleep.
他每晚睡觉着都祈祷。
Every cloud has a silver lining.
山穷水尽疑无路，柳暗花明又一村。
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，