In the dark I tumbled over a stump and injured my arm.

黑暗中我被树桩绊倒伤了手臂。

youdao

Objective To study the coordination of nerves in the human amputation stump of the upper arm.

目的探讨人体残肢上臂神经的相互协调关系。

youdao

Objective To study the coordination of nerves in the human amputation stump of the upper arm.

目的探讨人体残肢上臂神经的相互协调关系。

youdao