You also generate less power with your stroke and put more stress on your shoulder.

这样你的划水产生的推进力就会变小，同时肩部就会变得更紧张。

youdao

You also generate less power with your stroke and put more stress on your shoulder.

这样你的划水产生的推进力就会变小，同时肩部就会变得更紧张。

youdao