在长时间的规定，这很重要，因为游泳者需要一个时刻，在游泳，探讨如何发现滑梯，或者驾驶的双手在扩展，而不是一个压手的动作。

During long sets, it's important that the swimmer takes a moment, while swimming, to explore how to discover a slide, or flying of the hands during the extension, rather than a press.

youdao

我在游泳池里玩了很长时间。

I was in the pool for a long time.

youdao