Mountain climbing is becoming a popular sport, but it is also a potentially dangerous one.

登山正在成为一项流行的运动，但它也是一项潜在的危险运动。

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Skateboarding is a popular sport around the world.

滑板运动在世界各地都很受欢迎。

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Baskeball is a popular sport in China.

在中国篮球是一项流行的运动。

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At the end of the nineteenth century, wrestling was a very popular sport in the United States.

VOA: special.2010.02.21

As the sport became more popular, it became less and less of a sport.

VOA: special.2010.02.21

In a sport that is mostly popular with a younger generation, Klug is 37-years-old and is married.

VOA: standard.2010.02.26

Thirty-three years on, Moore's Law has yet to falter, although predicting its demise is now a popular sport with the press.

FORBES: The gentle giant

On the Continent, pigeon racing is a popular sport and the birds can sell for up to a quarter of a million Euros.

BBC: 'Record price' for East Yorkshire pigeon unable to fly

Now that she has won her first two MMA bouts -- both in the first round -- she has gone public as a transgender fighter, the first on record in a popular sport that some consider as the successor to boxing.

CNN: First transgender MMA fighter goes public