Gingiva propria
[医] 龈本部
🧩 词语组成解析
n. 齿龈
固有层
🗣️ 情景例句
There's no end to the paperwork I have on my desk.
我桌上的工作永远没个完。
Short accounts make long friends.
帐算清，交情深。
It's ready.Do you want any milk?
咖啡好了，你要放点奶吗？