The butterfly stroke had not accepted as a formal event until 1958.
蝶泳被列入正式比赛项目是在1958年。
When you first start doing the butterfly stroke, you will find that it is a strength item.
初学蝶泳时，你会发现，蝶泳对体力的要求很高。
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 starting position for the butterfly stroke is: hands about shoulder's width, head looking down at the bottom.
蝶泳划水的起始位置：手大约与肩等宽，眼睛看池底。
The butterfly stroke is similar to freestyle except that the arms circle together symmetrically and hence the body movement is more dolphin like.
蝶泳类似于自由泳，但它需要双臂一同划圈，这样身体的运动更像海豚。
Butterfly is the only stroke I can't do.
只有蝶泳我不会。
While other styles like the breaststroke, front crawl, or backstroke can be swum easily even by beginners, the butterfly is a more difficult stroke that requires good technique to be feasible.
初学者也许能很容易地掌握蛙泳、自由泳或仰泳，但蝶泳却难得多，对游泳者的技术要求很高。
Two Chinese women swimmers have already entered the 100-metre butterfly stroke finals.
已经有两位中国女选手取得了100米蝶游的决赛权。
When I teach any stroke, in particularly butterfly, I use the part method.
我在传授任何泳姿时都会将身体分为各个部分来讲解，教蝶泳时更是这样。
In medley relays, each swimmer swims one stroke for the set distance; the order is backstroke, breaststroke, butterfly and freestyle.
混合泳接力赛中，每位运动员以一种姿势游一定的距离，顺序依次是仰泳、蛙泳、蝶泳和自由泳。
In medley relays, each swimmer swims one stroke for the set distance; the order is backstroke, breaststroke, butterfly, and free style.
混合泳接力赛中，每位运动员以一种姿势游一定的距离，(泳姿势)顺序依次是仰泳，蛙泳，蝶泳和自由泳。
This is the feeling you're seeking on the initiation of each stroke of butterfly.
这是你正在寻找的感觉在每个冲程时的蝴蝶。
Start with single arm fly, breathing low on every stroke, with one goggle in the water, using a straight arm recovery to simulate butterfly.
开始以单臂飞，呼吸每一拍，低一睁眼浸在水里，用直臂开始模拟的蝴蝶。
Swim butterfly, focusing your attention on this connection on the front of the stroke.
游泳蝴蝶，集中精力在这个连接在前面的行程。
Yes. In medley relays, each swimmer swims one stroke for the set distance; the order is back-stroke, breast-stroke, butterfly and freestyle.
是的，在混合泳接力赛中，每位运动员以一种姿势游一定距离，顺序依次是斧正游泳、蛙泳、蝶泳和自由泳。
The butterfly-stroke makes me tired very quickly.
游蝶泳使我很快就觉得累了。
And every time I swim the butterfly-stroke, I splash water about so much, it disturbs everyone.
每次我游蝶泳，因为划水过于激烈使水溅起，以致妨碍到了身边的人。
The most physically demanding stroke, the butterfly features the simultaneous overhead stroke of the arms combined with the dolphin kick.
对身体条件最苛求的泳姿，蝶泳的特色是两臂同时越过头顶结合海豚式打腿。
I think butterfly stroke is the most difficult style to learn.
我想蝶泳是最难学的一种姿势吧。
Butterfly: a stroke made in the prone position where both arms are lifted simultaneously out of the water and flung forward, in combination with the dolphin kick.
蝶泳：一种泳姿。即采用俯卧姿势，双臂同时在水面之上前挥划水，结合身体做海豚式打水。
During, or at the end of the arm pull-down of the first stroke after the start and after each turn, a single downward butterfly kick is allowed, but not required, followed by a breaststroke kick.
出发后或每一次转身之后，在第一次大划手之当时或之后，一次向下蝶式踢腿是被允许的(非必要的)然后拌随一次蛙式踢腿。
All through even in butterfly stroke and stand-line comparison studies on the use of the goalkeeper even in butterfly stroke might improve the success rate of better guarded.
通过对蝶式防守与站立式防守进行比较，论证说明了守门员采用蝶式防守更能提高防守的成功率。
Butterfly is a stroke that it will help to look at head on. But generally you can see everything you need to see from the side. You watch the head going into the water.
虽然说从正面观看蝶泳对你们会有所帮助，但一般情况下，你想看的东西从侧面都能看到。
Some people said it is the hardest stroke. I don't think so. I have been doing this for sometime. But I am the fastest butterfly swimmer in the Europe.
有人认为蝶泳是最难的泳姿，但是我不这样认为，我练习蝶泳有一段时间了，我是欧洲最快的蝶泳选手。
You need to use your back muscles to swim the butterfly-stroke.
你必须用你背部的肌肉来游蝶泳。
You need to use your back muscles to swim the butterfly-stroke.
你必须用你背部的肌肉来游蝶泳。
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