A hammer was as long as his arm.

有一个锤和他的手臂一样长。

youdao

Hammer: at the end of the arm rotation, have your wrist relaxed and on a hinge so that the hand can follow through as though it is wielding a hammer.

榔头：在肩部旋转结束时，手腕放松，如铰链连接，好像手正在挥舞榔头。

youdao

Hammer: at the end of the arm rotation, have your wrist relaxed and on a hinge so that the hand can follow through as though it is wielding a hammer.

榔头：在肩部旋转结束时，手腕放松，如铰链连接，好像手正在挥舞榔头。

youdao