文章列表

• 1.英语听力：自然百科 秋日黄石公园 Autumn—9
• It cuts branches into more manageable lengths and then swims them down a network of purpose-built canals towards the dam. The pond to give this beaver...
• 2.英语听力：自然百科 秋日黄石公园 Autumn—8
• They may be a little safer here. But the food in the forest is far less nutritious than on the riverbanks. If they want to eat well and avoid wolves t...
• 3.英语听力：自然百科 秋日黄石公园 Autumn—7
• Its now September, and the elk/ have made their way down to graze where the grass on the riverbank is still green, and they can browse the nutritious ...
• 4.英语听力：自然百科 秋日黄石公园 Autumn—6
• Up to 150 at a time, a fifth of its entire body weight. Then it flies as much as 15 miles away, and drills the nuts into the ground in sets of ten, pl...
• 5.英语听力：自然百科 秋日黄石公园 Autumn—5
• But this is not much good for the tree. Its seeds have gone nowhere. A grizzly bear mother and cubs. It's unusual for a grizzly to have so many cubs. ...
• 6.英语听力：自然百科 秋日黄石公园 Autumn—4
• But as many are preparing to get out, some have no choice but to stay. In the remote northeast of the Yellowstone wilderness, are the Beartooth Mounta...
• 7.英语听力：自然百科 秋日黄石公园 Autumn—3
• The sun has revitalized this place, and now there are more living things here than at any time of the year. The summer has brought visitors too who ar...
• 8.英语听力：自然百科 秋日黄石公园 Autumn—2
• All over Yellowstone, male elk are challenging each other for dominance. The sound of Yellowstone's autumn. They're trying to win the admiration of fe...
• 9.英语听力：自然百科 秋日黄石公园 Autumn—1
• Yellowstone, volcanic wonderland, two million acres of wild space, right in the heart of North America. The heat of the summer has unveiled the full e...
• 10.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, ...