I do warm up exercises before swimming.

我在游泳之前会做热身活动。

youdao

To warm up for swimming, swim slowly at first and then pick up the tempo as you're able to.

为游泳热身，那就开始时慢慢游然后提高速度到你能够达到的水平。

youdao

B: I'm sorry. Every customer coming here must do the warm-up exercise before getting down to swimming. That's out regulation.

对不起，任何一位到我们这来的顾客在下水游泳之前必须要做热身运动。这是我们的规定。

youdao