Gingiva propria
[医] 龈本部
🧩 词语组成解析
n. 齿龈
固有层
🗣️ 情景例句
Oh, I understand. She cooks and cleans, takes care of the children.
哦，我懂了，她烧饭、清洗、照顾孩子。
One cannot get blood from a stone.
石头里抽不出血。
I can see why you are having some problems with it.
我明白为什么你用起来会有问题了。