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
They're coming by at six tomorrow morning,
他们明天早晨六点钟过来，
Thank you for seeing me off.
谢谢你送行。
is an unfortunate victim of adverse circumstances,
是逆境的牺牲品，