Grey wolves were reintroduced to Yellowstone National Park.

灰狼被重新引入黄石国家公园。

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The next day we're at Yellowstone National Park, where we have a picnic.

第二天，我们在黄石公园进行了野餐。

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Fourteen wolves were caught in Canada and transported to the Yellowstone.

有十四匹灰狼在加拿大被捕，并被送往黄石公园。

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It is also the third largest national park in the lower forty-eight states, after Death Valley and Yellowstone.

VOA: special.2010.09.21

Last Friday night,an oil pipeline broke under the Yellowstone River in the western state of Montana.

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Yellowstone, in the western state of Wyoming, was not only the first national park in America.

VOA: special.2009.09.28

One day while fishing in the Yellowstone River, Field thought about his big, expensive--and mostly idle--press.

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It lies in the exclusive Yellowstone Club, the world's only private ski and golf membership community.

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The Three Bear Lodge and Restaurant in West Yellowstone, Montana, will feel it, too.

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