当你注视着池底，将头侵入水中，在你伸展和开始划水的时候试着去放松手指。

After you've had a good look, head to the pool and try to relax your fingers during your extension and during the initiation of your pull.

youdao

当你注视着池底，将头侵入水中，在你伸展和开始划水的时候试着去放松手指。

After you've had a good look, head to the pool and try to relax your fingers during your extension and during the initiation of your pull.

youdao