对于大多数游泳者来说，海豚腿唯一没什么用的地方就是50码自由泳比赛。

The only place the fly kick is not a plus for most swimmers is in the 50-yard freestyle.

youdao

蝶泳腿非常重要，特别是在25码的短池中。

Fly kick is very important, particularly in a 25 yard pool.

youdao

蝶泳腿非常重要，特别是在25码的短池中。

Fly kick is very important, particularly in a 25 yard pool.

youdao