This same lift force is generated while treading water.

当运动员进行踩水的时候也会有相同的上升力产生。

youdao

While treading water, one does not push down on the water.

当你做踩水动作时，你不会从水面之上向水下压水。

youdao

While treading water, one does not push down on the water.

当你做踩水动作时，你不会从水面之上向水下压水。

youdao