Wow! Can he teach me the butterfly and the backstroke?

哇！他能教蝶泳和仰泳吗？

Cory will compete in freestyle, backstroke and relay races.

Cory将参加自由泳，仰泳和接力比赛。

When you're swimming, it can tell a breaststroke from a backstroke, from a kickboard.

游泳的时候，它能分辨你是在蛙泳，还是仰泳，还是在用浮板。

A worm doing the backstroke might be the reason your spine runs down your back.

那只做仰泳的蠕虫可能就是为什么你的脊椎沿着背部往下的。

I get too tired! I’ll just backstroke, it’s easier!

太累了！还是仰泳吧，这样容些。

She competed in the 100-meter backstroke event this week in Rio de Janeiro.

本周，她参加了里会的100米仰泳竞赛。

Fu's fame only grew on August 9, when she competed in the 100-meter backstroke finals.

8月9日结束100米仰泳决赛后，傅园慧又火了一把。

Peter swam across the lake using the backstroke.

彼得用仰泳式游过这座湖。

Skimming along on his back, he's trying to trap the fish just beneath the surface.

他仰泳滑行，试图捕捉水面下的鱼。

Until one day, 600 million years ago, one of them decided to start doing the backstroke.

直到6亿年前的一天，他们中的一个决定开始仰泳。

Ooo. It looks like the backstroke.

噢 。它看起来像是在仰泳。

Female backstroke specialist Liu Yaxin surprised fans to qualify for the women's 200 meters final in freestyle.

女子仰泳选手柳雅欣惊喜晋级女子 200 米自由泳决赛。

The backstroke is a style of swimming where you lie on your back, but notice this other 'there'.

仰泳是一种游泳方式，你仰卧在水面去游，但要注意这里还有一个 there。

Qin Haiyang, a breaststroke specialist from China, dominated the men's category, while Australian backstroke specialist Kaylee McKeown excelled among the women.

来自中国的蛙泳选手覃海洋在男子项目中独占鳌头，而澳大利亚仰泳选手凯莉·麦基翁在女子项目中表现出色。

I think it's doing the backstroke, sir.

认为它在做仰泳， 长官。

Why do squirrels swim on their backs?

为什么松鼠会仰泳？

It was so obviously a pond though, I was doing a backstroke in the pond.

尽管那显然是个池塘，却在里面游着仰泳。

I never knew how to backstroke until I took these swim lessons.

上了这些游泳课才学会仰泳。

Take it from Cartagena's junior regional backstroke champion.

从们地区青少年仰泳比赛中得到的教训。

How is knowing cosines gonna help you with your backstroke?

学会余弦对仰泳有什么帮助？