Metacarpal
a. 掌的\\nn. 掌骨
📖 牛津释义
metacarpal
adj, n (anatomy 解) (of a) bone between the wrist and the fingers 掌骨（的）. =>illus at skeleton 见skeleton插图.
🗣️ 情景例句
I don't know if I can get to sleep.
我不知道我能否睡得着。
Big deal!
有什么了不起？
winkling out hidden meanings, super-imposing new ones,
挖掘其隐晦的含义，增添新的含义，