Yellowstone National Park in the western United States was the world's first national park .
位於美國西部的黃石國家公園是世界上第一座國家公園。
Established in 1872 , it is famous for its geothermal activity and wild animals .
黃石公園成立於1872年，以地熱活動和野生動物聞名。
It includes beautiful mountains , deep canyons , lakes and rivers .
園內有美麗的山脈、深邃的峽谷、湖泊和河流。
Yellowstone is still one of the largest national parks in the U.S . It takes up almost 9,000 square kilometers .
黃石至今仍是美國最大的國家公園之一，面積近9000平方公里。
Most of the park lies within the western state of Wyoming .
公園大部分位於西部的懷俄明州。
The park is unusual because of what lies underneath it .
這座公園之所以與眾不同，是因為它地底下的東西。
It sits on top of an ancient super volcano , known as the Yellowstone Caldera .
它坐落在一座古老的超級火山之上，這座火山被稱為黃石破火山口。
The caldera remains an active volcano .
這個破火山口至今仍是一座活火山。
A lake of hot liquid rock is about six kilometers under the park .
公園地下約六公里處有一個由熾熱液態岩石構成的湖。
Experts say this lake is under huge amounts of pressure .
專家說，這個湖承受著巨大的壓力。
The park is home to more than 300 geysers .
公園裡有300多個間歇泉。
There are more geysers and hot springs in Yellowstone than any other place on Earth .
黃石的間歇泉和溫泉比地球上任何其他地方都多。
“Old Faithful ” is the name of the park's most famous geyser because it erupts about every 90 minutes .
公園裡最著名的間歇泉名叫「老忠實泉」，因為它大約每90分鐘噴發一次。
Yellowstone is on a high plateau with an average height of 2,400 meters above sea level .
黃石位於平均海拔2400公尺的高原上。
This makes the weather very cold in winter , with January temperatures averaging between -18 degrees and -7 degrees Celsius .
這使得冬季天氣非常寒冷，1月平均氣溫在攝氏零下18度到零下7度之間。
However , some areas of the park remain open to visitors throughout the year .
不過，公園的一些區域全年都對遊客開放。
Yellowstone Canyon is about 365 meters deep .
黃石峽谷深約365公尺。
The Yellowstone River runs through it and drops 93 meters in the Lower Falls .
黃石河流經峽谷，在下瀑布處落差達93公尺。
Visitors can walk on a path that brings them very close to the top of the falls .
遊客可以沿著一條小路走到離瀑布頂端很近的地方。
There , they can see and hear the powerful falls .
在那裡，他們可以看到並聽到氣勢磅礡的瀑布。
In summer of 1988 , forest fires burned large areas of the park .
1988年夏天，森林大火燒毀了公園的大片區域。
Most of those areas are now covered with plants and young trees .
如今，那些區域大多已被植物和幼樹覆蓋。
Yellowstone is home to the largest group of wild animals in the lower 48 United States .
黃石是美國本土48州中野生動物族群最多的地方。
These include bison , grizzly bear , elk , deer , moose , fox , beaver , coyote and wolves .
其中包括野牛、灰熊、馬鹿、鹿、駝鹿、狐狸、河狸、郊狼和狼。
In 2024 , park officials estimated the bison population to be about 4,500 animals .
2024年，公園官員估計野牛數量約為4500頭。
That makes it the largest group of wild bison in the world .
這使其成為世界上最大的野生野牛群。
There is still a wild west in America…and its name is Yellowstone .
美國仍有一片狂野西部……它的名字叫黃石。