文章列表
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1.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—16
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Tonight the newly winged young would join the feeding frenzy.They are now fully fledged members of the colony,ready to investigate the bounty of this ...
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2.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—15
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Some freshwater crocs try to snap them out of the air, others wait for fatal mistakes. But many more make it through. And after many hours on the wing...
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3.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—14
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At the top, red eyed, yellow browed and full of spunk, they celebrate their ascent and reunion, and are quickly assorted by their ravenous chicks. Now...
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4.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—13
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And the raptor executes his cool mercy.In the rolling surf, rockhoppers pop home with their garlics full. They take turns shuttling to the sea daily ,...
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5.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—12
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Unable to leave his harem to feed its seed, hes losing 50 pounds of blabber a day. All ready the albatross checks a hatching in staggering numbers dow...
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6.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—11
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Almost magically, they form a temporary nest of their own bodies. The larvae and food are taken into the nursery at its centre. Tomorrow they will do ...
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7.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—10
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The nursery lies at the heart of a twitching, thriving structure, built almost entirely of the aunts of themselves. Long legs stuck together with tuss...
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8.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—9
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By November, the blinding equatorial sun has turned their southern water holes into sucking mud, a trap for unwary youngsters and so they must move no...
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9.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—8
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In the war-racked country of Sudan, lies Boma National Park, the largest intact savanna in East Africa. Mile upon mile of what looks like pristine wil...
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10.英语听力:自然百科 大迁徙之繁衍生息 Need to Breed—7
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But they can't migrate to greener pastures until the last of the youngsters has been winged. So mother has become stingy and edgy. Readying for the mi...