Metacarpus
n. 掌, 掌骨\\n[医] 掌
📖 牛津释义
metacarpus
n
(anatomy 解) point of the hand containing the five bones between the wrist and the fingers 掌.
🗣️ 情景例句
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
There is nothing I can do.
我无能为力。