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
What does NATO stand for?
NATO代表什么？
I'm glad to hear you are getting married.
我很高兴听到你将结婚的消息。
Gradually the river grows wider, the banks recede,
然后河面渐渐地变宽，两岸后撤，