立たち泳およぎ

noun, noun or participle which takes 'suru', intransitive verb

treading water

Refers to the action of staying afloat in water in an upright position, typically by moving the legs and arms. Used both as a noun and with する to describe the activity.

• プールで立たち泳およぎの練れん習しゅうをした。

  I practiced treading water in the pool.

• 深ふかいところで立たち泳およぎをして助たすけを待ま