1·That's called a butterfly stroke. Can you swim, Ruth?
那叫蝶泳。露丝，你会游泳吗?。
2·A: ok, Mom. Can I swim now? I want to learn butterfly stroke.
好的，妈妈，我现在能游了吗？我想学蝶泳。
3·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。
4·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。
5·I am very good at swimming, for I can do butterfly stroke and backstroke.
而且，我认为我游泳还是不错的。而且能有的很好。我会蝶泳，仰泳。
6·Find your rhythm, then add a butterfly stroke... without breaking your rhythm.
找到你的节奏，然后再加上一只蝴蝶姿势…不打破你的节奏。
7·Swimming is divided into breaststroke, freestyle, backstroke, and butterfly stroke.
游泳分为蛙泳，自由泳，仰泳，蝶泳。
8·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。
9·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。
10·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。
1·A: ok, Mom. Can I swim now? I want to learn butterfly stroke.
好的，妈妈，我现在能游了吗？我想学蝶泳。
2·That's called a butterfly stroke. Can you swim, Ruth?
那叫蝶泳。露丝，你会游泳吗?。
3·Swimming is divided into breaststroke, freestyle, backstroke, and butterfly stroke.
游泳分为蛙泳，自由泳，仰泳，蝶泳。
4·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。