This study is expected to provide reference for improving the teaching effect in putting shot.

通过本研究，以期为提高铅球技术教学效果提供一点参考。

youdao

Please don't shot the eyes directly, it would effect the eyesight.

手电筒不要直射眼睛，以免影响视力。

youdao

Please don't shot the eyes directly, it would effect the eyesight.

手电筒不要直射眼睛，以免影响视力。

youdao