The butterfly, the fly kick is very important, also.
在蝶泳中，打腿也非常重要。
Fly kick is very important, particularly in a 25 yard pool.
蝶泳腿非常重要，特别是在25码的短池中。
Or you can use the fly kick for you can always kick to the surface.
因为你总可以靠打蝶泳腿浮出水面，所以你要充分利用蝶泳腿。
This is very important for every age to work on the fly kick underwater.
对于任何年龄组的人来说，进行水下海豚腿的练习都是非常重要的。
Because the vertical fly kick is where you get the frequency or speed of kick.
因为立蝶能提高打腿的频率或者说打腿的速度。
A real important part of the butterfly stroke is the under water swimming, fly kick under water.
蝶泳非常重要的组成部分是水下部分，即水下蝶泳腿。
The fly kick is very important. And for some people it is a little more difficult on their stomach than on their back.
蝶泳腿非常重要，对一些人来说，俯蝶腿比仰蝶腿要稍难一些。
把烦恼踢开，然后看它飞走！
Kick a ball or ride a bike. Jump rope or fly a kite.
踢几脚球或是骑自行车，跳绳或是放风筝。
Don't fly a kite and don't kick.
不能放风筝也不能踢。
Don't fly a kite and don't kick.
不能放风筝也不能踢。
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