国家地理:Secret Yellowstone 黄石国家公园

Yellowstone National Park is a giant swatch of terrain. Ninety percent of it barely touched, wilderness. Hidden within, one of the most remote places in the Lower 48. Right here, no road in any direction for 22 miles. It's within the largest ecosyste

美国学生世界地理教材 第51期:仙境(3)

Still farther north, a hop, skip, and a jump from the Colorado Canyon, in the corner of the State of Wyoming, 拉多大峡谷再往北不远处是怀俄明州，在怀俄明州的西北角有块地方， is a place that looks on the map like a little

2007-10-20, Ospreys of Yellowstone - 鱼鹰

In the skies above the Yellowstone River, an osprey scans the waters below for its next meal. Osprey have exceptionally acute vision and can pick out the movement of fish one hundred feet below. It's not easy to haul a struggling 3-pound trout out of

英语听力：自然百科 黄石公园的夏天 Yellowstone—2

The end of winter comes late to the mountainous northwest of the United States, and in particular, it lingers in Yellowstone. The heart of Yellowstone is a high cold plateau, 8,000 / feet up, surround by the spires of the Rocky Mountains. After five

英语听力：自然百科 黄石公园的夏天 Yellowstone—3

This mother bear's experience gives her family a good chance of survival until spring arrives. They will return again and again as the thaw releases more fish. On the warmer plains and valleys that surround the plateau, grazers are on the move. They

英语听力：自然百科 黄石公园的夏天 Yellowstone—4

Clues to why the herds are drawn to the Yellowstone plateau lie in its deep and unique history. This plateau is the created bowl of a huge sleeping volcano. And melting rock below the surface still pushes the land up to the cold of high altitude. But

英语听力：自然百科 黄石公园的夏天 Yellowstone—5

As 6 months of snow and ice begins to melt, Yellowstone starts to come back to life. Cascading snowmelt swells the streams and rivers. It's a hazard that the migrating herds must cross. Young are barely up to the task. The Yellowstone river has incre

英语听力：自然百科 黄石公园的夏天 Yellowstone—6

As the migrating herds arrive in the plateaus river valleys, the spring is here. This is why they have made the journey after the famine of winter. Food is everywhere. Birds have flown in from as far away as the Arctic and subtropics. Canada geese jo

英语听力：自然百科 黄石公园的夏天 Yellowstone—9

This pack seem prepared to allow their young a brief foray to experience the world beyond their den. But his high-octane lifestyle critically depends on the summer sun. And in Yellowstone, that's never a guarantee. In the mountains surrounding the pl

EXPLORATIONS - Yellowstone Volcano

EXPLORATIONS - Yellowstone Volcano By Paul Thompson Broadcast: Wednesday, August 11, 2004 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Doug Johnson with EXPLORATIONS in VOA Special

In Yellowstone, Don't Step in the Boiling Water

AS IT IS 2016-06-17 In Yellowstone, Don't Step in the Boiling Water This is Whats Trending Today This year is the 100th anniversary of the U.S. National Park Service. Millions of people from across the United States and around the world will spend pa

VOA标准英语2011--Yellowstone River Spill Raises Pipeline

Yellowstone River Spill Raises Pipeline Safety Concerns Environmentalists are pushing for tighter regulations after the rupture of an Exxon Mobil oil pipeline which runs beneath the Yellowstone River in Montana. Before it was shut off, the burst pipe

美国国家公共电台 NPR Yellowstone Bison Release Launches Criminal Investigation

SCOTT SIMON, HOST: Send an alert. Missing - dozens of bison. Last seen together, two holding pens at Yellowstone National Park. Authorities say the animals escaped when someone used bolt cutters to open up a fence. As Yellowstone Public Radio's Nate

英语听力：自然百科 黄石公园的夏天 Yellowstone—12

This female grew up on the lake, so she knows where to take the cubs for a very special trip. Yellowstone cutthroat trout are massing in the mouth of the stream that feeds the lake. They are preparing for their annual spawning. But the trout must wai

英语听力：自然百科 黄石公园的夏天 Yellowstone—15

As the thaw reaches up into the mountains, a part of Yellowstone that few ever see is briefly revealed. From its first day above the snow, this pika is obsessed by food. It's in a frantic race to restock its winter larder before the snow closes in ag

英语听力：自然百科 黄石公园的夏天 Yellowstone—19

As she approaches to see him off again, she realizes she has been injured. A damaged jaw would be a disaster for her and her family. Clearly in pain, she leads the anxious cubs to high ground away from the male. She nurses to calm and / reassure them

Yellowstone winter visits up from last year

Bison graze on the front lawn of Gardiner Public School just outside the north entrance to Yellowstone National Park in Gardiner, Mont. on Feb. 15, 2008. (AP Photo / William Kronholm) YELLOWSTONE NATIONAL PARK, Wyo. Yellowstone National Park saw an 8

与美国小学生一起学英文第8册 第18期:黄石国家公园

Yellowstone National Park 黄石国家公园 When you visit Wyoming USA, you should visit Yellowstone National Park. 你去美国怀俄明州游玩时，一定要去黄石国家公园。 Its name comes from the Yellowstone River. 黄石国家公园因黄

美国国家公共电台 NPR Before Cars Come In, Bikes Accompany Bison In Yellowstone

LOURDES GARCIA-NAVARRO, HOST: If you want to go for a spectacular bike ride this weekend, you might consider heading to Yellowstone National Park. Every spring, 50 miles of the main thoroughfares are open to bicycles only. And Montana Public Radio's

万物简史 第324期:美丽而危险(7)

All this was hypothetically interesting until 1973, when an odd occurrence made it suddenly momentous: 这一切都很有意思，但都是假设的。直到1973年，一件怪事发生了，突然之间那个假设变得很有意义： water in Yell