Gingiva propria
[医] 龈本部
🧩 词语组成解析
n. 齿龈
固有层
🗣️ 情景例句
Mainly for the sports meet and also for sightseeing, I think.
主要是来参加运动会，我想也是为观光而来。
It gets in around 11:45.
大约11点45分到。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。