水的重量、浮具还有其它一些可用器材，都可用来增加水的阻力，除此之外，这些器材还要能为人体提供浮力及维持人体平衡。

Water weights, floating belts, and other useful equipment are used to increase water resistance as well as help with flotation and balance.

youdao

水的重量、浮具还有其它一些可用器材，都可用来增加水的阻力，除此之外，这些器材还要能为人体提供浮力及维持人体平衡。

Water weights, floating belts, and other useful equipment are used to increase water resistance as well as help with flotation and balance.

youdao