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
Well, remember,
嗯 记住
To carry dirt
清理垃圾
We also played games on the sand.
我们还在沙滩上做游戏呢。