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
Lacks knowledge or experience.
知识匮乏或经验不足。
Easy come, easy go.
来的容易，去的快。
Of course. And why not buy some English tapes and some books to go with them? I'm sure you'll find them useful.
当然了。干吗不买些英语磁带和与之配套的书呢？我相信你会觉得它们有用的。