Os palatinum
[医]腭骨：不规则骨，形成硬腭的后部、鼻前庭的侧壁，位于翼突内侧板和上颌骨之间，构成眶底的后部
🧩 词语组成解析
n. 骨, 孔, 穴裂口\\n[计] 办公系统, 操作系统
🗣️ 情景例句
It's eleven thirty.
十一 点半。
If there's anything else I can do,please let me know.
如果有其他东西我能做的，请让我知道。
We've seen several members of the family since we arrived my grandfather and my aunt and uncle.
自我们回来以后已经见到了好几个家庭成员祖父、姑姑和叔叔。