文章列表

• 1.英语听力：自然百科 人类抚养的大猩猩(上)
• This is Wild Chronicles. I am White Matthews. 这里是《野生动物日记》。我是怀特马修斯。 At the Cheyenne Mountain Zoo, an infant gorilla named Wumundi g...
• 2.英语听力：自然百科 浴火重生大堡礁
• Eighteen million years ago, a series of remarkable events conspired to creat the great barrier reef--the migration of a continent, the might of an oce...
• 3.英语听力：自然百科 地球大迁徙
• They're born to move, to move or die, forging ahead against terrifying odds, navigating the first of millions of miles, spanning continents on fledgli...
• 4.英语听力：自然百科 冰冻星球 前往地球尽头—3
• A male polar bear is searching for a mate. Willing females are few and far between. And the sea ice some of which he travels will soon melt and vanish...
• 5.英语听力：自然百科 冰冻星球 前往地球尽头—2
• I am standing at the North Pole, the very top of the earth. Up here, it's easy to see why the Polar Regions are so cold. The sun never rises high enou...
• 6.英语听力：自然百科 冰冻星球 前往地球尽头—1
• Over one third of our planet is frozen, and yet the icy worlds of the Arctic and Antarctic are as alien to most of us as the surface of another planet...
• 7.英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—20
• After months on awkward shores, they are going home. The young albatross fledglings left behind days ago, rave their engines on their necks, testing t...
• 8.英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—19
• There is no mistaking yet. She is ready to mate. Finally, the lover/ unites a bit briefly. After two months, the breeding season is over. It is time f...
• 9.英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—18
• Here and now, cub and cub, pound for pound. The bodies of the falling litter the battle field. The females approach to the victorious males willingly,...
• 10.英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—17
• Even fearsome wasps high in treetops, are no match for the implacable ants. They watch helplessly as their own larvae are stripped from their honeycom...