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人的手上共有27块小骨头,其中包括了手腕处的8块鹅卵石形状的骨头。我们手部的骨头通过一个网络状的韧带结构互相连接,依靠肌肉的拉伸来完成关节
There are 27 small bones on the human hand, including 8 pebble-shaped bones at the wrist. The bones of our hands are connected to each other by a network-like ligament structure that relies on the stretching of the muscles to complete the joints