Yellowstone National Park in the western United States was the world's first national park .
位于美国西部的黄石国家公园是世界上第一个国家公园。
Established in 1872 , it is famous for its geothermal activity and wild animals .
黄石公园建于1872年，以地热活动和野生动物闻名。
It includes beautiful mountains , deep canyons , lakes and rivers .
园内有美丽的山脉、深邃的峡谷、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 .
黄石至今仍是美国最大的国家公园之一，面积近9000平方公里。
Most of the park lies within the western state of Wyoming .
公园大部分位于西部的怀俄明州。
The park is unusual because of what lies underneath it .
这座公园之所以与众不同，是因为它地下的东西。
It sits on top of an ancient super volcano , known as the Yellowstone Caldera .
它坐落在一座古老的超级火山之上，这座火山被称为黄石破火山口。
The caldera remains an active volcano .
这个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 .
公园地下约六公里处有一个由炽热液态岩石构成的湖。
Experts say this lake is under huge amounts of pressure .
专家说，这个湖承受着巨大的压力。
The park is home to more than 300 geysers .
公园里有300多个间歇泉。
There are more geysers and hot springs in Yellowstone than any other place on Earth .
黄石的间歇泉和温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 .
公园里最著名的间歇泉名叫“老忠实泉”，因为它大约每90分钟喷发一次。
Yellowstone is on a high plateau with an average height of 2,400 meters above sea level .
黄石位于平均海拔2400米的高原上。
This makes the weather very cold in winter , with January temperatures averaging between -18 degrees and -7 degrees Celsius .
这使得冬季天气非常寒冷，1月平均气温在零下18摄氏度到零下7摄氏度之间。
However , some areas of the park remain open to visitors throughout the year .
不过，公园的一些区域全年都对游客开放。
Yellowstone Canyon is about 365 meters deep .
黄石峡谷深约365米。
The Yellowstone River runs through it and drops 93 meters in the Lower Falls .
黄石河流经峡谷，在下瀑布处落差达93米。
Visitors can walk on a path that brings them very close to the top of the falls .
游客可以沿着一条小路走到离瀑布顶端很近的地方。
There , they can see and hear the powerful falls .
在那里，他们可以看到并听到气势磅礴的瀑布。
In summer of 1988 , forest fires burned large areas of the park .
1988年夏天，森林大火烧毁了公园的大片区域。
Most of those areas are now covered with plants and young trees .
如今，那些区域大多已被植物和幼树覆盖。
Yellowstone is home to the largest group of wild animals in the lower 48 United States .
黄石是美国本土48个州中野生动物种群最多的地方。
These include bison , grizzly bear , elk , deer , moose , fox , beaver , coyote and wolves .
其中包括野牛、灰熊、马鹿、鹿、驼鹿、狐狸、河狸、郊狼和狼。
In 2024 , park officials estimated the bison population to be about 4,500 animals .
2024年，公园官员估计野牛数量约为4500头。
That makes it the largest group of wild bison in the world .
这使其成为世界上最大的野生野牛群。
There is still a wild west in America…and its name is Yellowstone .
美国仍有一片狂野西部……它的名字叫黄石。