v.浅打水（膝部保持不动仅用小腿上下击水游泳法）

flutter kicks───浅打水

flutter mill───颤振磨机

flutter mills───颤振磨机

fluttering───n.振抖；v.摆动；鼓翼；忙乱（flutter的现在分词）

flutter wheel───翼形水轮

Catterick───香蒲

butter dish───黄油碟

wall with streamline slightly separated from ears. Head is down facing floor of pool. Little to no flutter kick is occurring during this frame.───仰泳打腿应该是一个稳定的6次浅打腿，髋部发力，脚尖应该绷直，膝盖则需要在上打腿时轻微弯曲。

a swimming stroke; arms are moved alternately overhead accompanied by a flutter kick.───一种游泳方式；胳膊在头顶交替变换并且伴着脚排击水面。

i am slightly deep, so that i can take a few dolphin kicks before i start the flutter kick into break out.───（蹬壁之后）处在较深的位置，以便我在开始爬泳打腿之前打几次蝶泳腿。

Encourage a simultaneous , fast flutter kick.───促进快速、同步的波动打腿；

Encourage a simultaneous, fast flutter kick.

The backstroke kick is a steady six-beat flutter kick, with the power generating from the hips. The toes should be pointed and the knees bent only slightly on the upbeat.