比其他大多数训练，这些训练重点在于打者看球和识别好坏球的能力，避免挥棒过程中下巴乱移。

These drill, more than mostothers, force the hitter to look at the ball and recognize the need to avoidmoving the chin.

youdao

比其他大多数训练，这些训练重点在于打者看球和识别好坏球的能力，避免挥棒过程中下巴乱移。

These drill, more than mostothers, force the hitter to look at the ball and recognize the need to avoidmoving the chin.

youdao