Os hamatum
[医]钩骨：腕骨远排居中的骨
🧩 词语组成解析
n. 骨, 孔, 穴裂口\\n[计] 办公系统, 操作系统
[医] 钩骨
🗣️ 情景例句
my mother is running for the school board?
我母亲竞选联合校董会董事吗？
A lazy sheep thinks its wool heavy.
懒羊嫌毛重
They can have only five guesses.
他们只能猜五次。