In this study, the researchers looked at the high-pitched barks a prairie dog makes when it spots predator.

在这项研究中，研究人员观察了土拨鼠发现捕食者时发出的高音吠叫声。

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One day he and his prairie chicken friends saw a beautiful bird soaring on the currents of air, high above the mountains.

有一天，他和他的山鸡朋友看见一只美丽的鸟在天空翱翔，飞的比山还高。

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"And it's important to record this for history. Especially people that don't realize that here was a place on the high northern plains, the high prairie, where this kind of thing occurred."

VOA: standard.2010.06.22

High-backed dining chairs in the Prairie style of Wright sit around a dining-room table.

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They came from city streets and prairie towns, from public high schools and West Point.

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It has since become a reference to any region with a high-tech economy Silicon Alley ( New York), Silicon Prairie (Midwest), Silicon Forest (Northwest), Silicon Slopes (Utah), Silicon Hills (Texas).

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