Cory will compete in freestyle, backstroke and relay races.

Cory将参加自由，接力比赛。

Peter swam across the lake using the backstroke.

彼得用式游过这座湖。

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

哇！他能教我蝶吗？

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

我太累了！我还是吧，这样容易些。

Ooo. It looks like the backstroke.

噢 。它看起来像是在。

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。

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

本周，她参加了里约奥运会的100米赛。

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

8月9日结束100米决赛后，傅园慧又火了一把。

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

那只做的蠕虫可能就是为什么你的脊椎沿着背部往下的原因。

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

女子选手柳雅欣惊喜晋级女子 200 米自由决赛。

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

游的时候，它能分辨你是在蛙，还是，还是在用浮板。

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

是一种游方式，你卧在水面去游，但要注意这里还有一个 there。

I think it's doing the backstroke, sir.

我认为它在做， 长官。

How is knowing cosines gonna help you with your backstroke?

学会余弦对有什么帮助？

Backstroke specialist Xu Jiayu was left stunned in the men's 100 meters final on Tuesday, as he finished fourth in the competitive race.

选手徐嘉余在周二的男子 100 米决赛意外无缘奖牌，他在比赛中获得第四名。

Take it from Cartagena's junior regional backstroke champion.

我从我们地区青少年比赛中得到的教训。

Although if you're Scrooge McDuck you could change it all into gold coins and backstroke through it.

尽管如果您是 Scrooge McDuck，您可以将其全部换成金币并穿过它。

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

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

Michael Phelps, who declared his retirement after the last Olympic Games, edged fellow Olympian Ryan Lochte on the 100 meter back stroke.

上届奥运会后宣布退役的迈克尔·菲尔普斯在男子100米比赛中战胜奥运冠军瑞安·罗切特夺冠。

In 2002, at a masters swim meet in New Zealand, Ms. Nagaoka took the bronze medal in the 50-meter backstroke.

2002年， 在新西兰举行的游大师赛上， 长冈女士获得了50米铜牌。