英语听力：自然百科 世上最大的蛇化石

Scientists have uncovered the world's largest snake. A study published in Thursdays edition of the science journal Nature reveals the discovery in Colombia. Measuring about 45-feet long and weighing more than a ton, the so-called Titanoboa would have

英语听力：自然百科 白鲸

Meet Tiqa, the newest member of the beluga family at Vancouver Aquarium! The calf was born in June of last year. Tiqa spends her days training with the aquarium staff and swimming close to her mother Qila. In the wild, belugas live in Arctic and sub-

英语听力：自然百科 河豚

Sometimes a defeat can really be a victory. Let's begin with this puffer fish, minding its own business in this calm river delta in Tanzania, Africa. Entered the predator, in this case, our river otter, cousins of the Yellowstone sliders. Its trying

英语听力：自然百科 刚果河猛鱼

The Congo, stretches still unnavigated, its depths unknown, second only to the Amazon in flow. Here it is called the river that swallows all rivers. But below these angry waves, the Congo River has spawned an extraordinary number of bizarre creatures

英语听力：自然百科 山火

Transcript(by myconsent) The highest peaks of the Drakensberg reach up more than ten thousand feet. Most of the pastures up here are well above 6000. As soon as they arrive, the animals reap the rewards of the long hard climb -- the grass is sweet, n

英语听力：自然百科 夏威夷火山（下）

Hawaii was born in fire. It's islands born by volcanic eruptions. And in some places the fires still burn. On the Big Island, the island named Hawaii, Kilauea spills forth molten rocksin a daily spectacle of creation. The volcanos newest cone Puu Ōō

英语听力：自然百科 爱情鸟

Here in an umbrella thorn tree, in Tanzania, Africa, some Fischer's lovebirds are looking for a nice hollow in which to nest and raise their young. The lovebird is a small stout member of the parrot family. They are like humans and their location is

英语听力：自然百科 阿尔卑斯山的春天

When spring is no longer far away, the stags offer a curious spectacle. The greater the dignity, the funnier its loss. But even the loser seems to bear it with humour. The younger stags will soon look funny, too. And theres another piece of comfort.

英语听力：自然百科 爱情的奥秘

What is love? And can it potentially throw our senses out of balance? New advances in medical technology mean even the mysteries of love are becoming less mystical and more mechanical. Functional Magnetic Resonance Imaging (FMRI) is a procedure that

英语听力：自然百科 浪漫之滨里约热内卢

In Rio de Janeiro Brazil, where the mountains meet the beach, with six million residents and more than a million tourists a year, a cleanup of the beaches from past years is now a major issue. Until recently, the beach was a place for Cariocas, as Ri

英语听力：自然百科 放生企鹅

Queuing like school children, these penguins are waiting to receive the life-saving medicines and nutrition. They owe their lives to SANCCOB, the Southern African Foundation for the Conservation of Coastal Birds. SANCCOB responded to a call for help

英语听力：自然百科 探秘玛雅金字塔

While Europe lingered in the Dark Ages, the splendor of the Maya world was reaching its zenith. Their temples soared hundreds of feet into the heavens. They developed a system of hieroglyphic writing. Works of art and sculpture displayed the Maya's i

英语听力：自然百科 Alternative Energy 可替代能源

When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy c

英语听力：自然百科 美国棒球运动

For generations, its been called Americas national pastime. Baseball has come to be seen as a defining part of the American culture, an enduring tie born from a diverse and sprawling young country. But the big business and athletic heroes that charac

英语听力：自然百科 海洋天堂大堡礁:堡礁内外—1

The great barrier reef is huge, it stretches for over 2,000 kilometers along Australia's north east coast, so vast it's clearly visible from space, and it's not simply a collection of coral gardens, but a network of very different habitats, it means

英语听力：自然百科 海洋天堂大堡礁:堡礁内外—2

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英语听力：自然百科 海洋天堂大堡礁:堡礁内外—3

-It's all exciting to see a large animal in the sea, and of course, the turtles are very iconic species in marine world. And I'm surrounded around this life. Hundreds and hundreds of turtles are in the water column above me, passing over the reef's c

英语听力：自然百科 海洋天堂大堡礁:堡礁内外—4

The birds have flown in from New Guinea and Japan to the north, Fiji to the east and even from the Asian mainland, thousands of kilometers away. In summer, Green Island is the most crowded destination on the Great Barrier Reef. It may look chaotic, b

英语听力：自然百科 海洋天堂大堡礁:堡礁内外—5

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英语听力：自然百科 海洋天堂大堡礁:堡礁内外—6

It's the talk of Minke whales,one of the smallest of great whales.The turtle has swam from far away as islands in the south pacific.But the whale have travelled considerably further,all the way from Antactic.They come to Ribonwaves,south of Rain Isla