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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(10)
Colombian mammoths had to feed almost round the clock to fuel their bulky bodies. 哥倫比亞猛瑪象每天24小時(shí)都在不停地進(jìn)食來供養(yǎng)它龐大的身體。But as the ice age ended, food was not the mammoths' biggest problem. 隨著冰河時(shí)代的終結(jié)，猛犸..2013-04-17 編輯：phoenix
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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(9)
Bison calves are born in summer and can run within a few hours of their birth. 野牛幼崽在夏季出生，在出生后短短幾小時(shí)之內(nèi)就能奔跑。They have no choice. The herd won't wait in its eternal quest to find new grazing. 它們別無選..2013-04-12 編輯：phoenix
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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(8)
The Osage orange seeds were carried far across the plains, 桑橙種子在平原上被帶的很遠(yuǎn)，before being deposited, pre-packed in their fertilizer growbags, ready to take root.它們在重新覓得肥沃的居所之前就已經(jīng)做好了生根發(fā)芽的準(zhǔn)備。2013-04-08 編輯：phoenix
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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(7)
堆積起來的花粉給我們展現(xiàn)出了一萬三千年前大草原的圖景，該圖景看起來與今日遼闊的平原草場有很大不同。2013-04-03 編輯：Rainbow
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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(6)
這片區(qū)域過去是泉水供養(yǎng)的池塘，有充足的水源。 猛犸象就曾經(jīng)嘗試過到此飲水。但當(dāng)它往回爬的時(shí)候，河堤又陡又滑。2013-04-01 編輯：Rainbow
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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(5)
Mud from the ancient riverbanks is good for building nests. 古老河岸邊的泥漿有利于筑巢。2013-03-28 編輯：Rainbow
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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(4)
The death throes of the last great ice age left a signature that we can read today. 我們可以看到上一個(gè)大冰期動(dòng)物們垂死掙扎的印跡。2013-03-22 編輯：Rainbow
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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(3)
Claw marks gouged into the cave wall showed the bear was not killed direct by the fall. It made a desperate attempt to climb back out. 山洞墻壁上挖鑿的爪印顯示出熊并非死于直接墜亡。它曾絕望地想爬出這個(gè)山洞。2013-03-21 編輯：Rainbow
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[探索發(fā)現(xiàn)] 探索發(fā)現(xiàn):北美大平原 American Serengeti(2)
Within the next few hundred/ years, many ice age animals vanished forever. 接下來的數(shù)百年，許多冰河期動(dòng)物永遠(yuǎn)消失了。2013-03-15 編輯：Rainbow
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