flutter kick

US /ˈflʌt.ər ˌkɪk/
UK /ˈflʌt.ər ˌkɪk/
"flutter kick" picture
1.

nado borboleta, batida de pernas

a swimming kick in which the legs are extended straight back and moved up and down alternately with a slight bend at the knees

:
She used a strong flutter kick to propel herself through the water.
Ela usou um forte nado borboleta para se impulsionar pela água.
Learning the flutter kick is essential for freestyle swimming.
Aprender o nado borboleta é essencial para a natação livre.