A prehistoric watering hole. 一处史前水坑。 By using cutting edge technology, some of its fossilized secrets are scientifically decoded. 通过利用前沿科技,它的一些化石秘密如今已经被科学地揭开了。 Multiple species,

发表于:2018-12-28 / 阅读(37) / 评论(0) 分类 侏罗纪搏击俱乐部

Tenontosaurus was bigger and certainly heavier. 腱龙体型庞大且笨重。 Tenontosaurus didn't necessarily make a mistake. 它不一定是犯了致命的错误。 It was numbers that took him down. 它是败给了庞大的数量。 One dinosaur

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Of the tens of thousands of fossil remains, only a single Ceratosaurus was found. 在数千具化石遗骸中只有一具属于角鼻龙。 This mid-sized predator did not have the power to cause the damage to the tens of thousands of bones. 这数万块

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This was the site of one of the most gruesome and barbaric acts ever recorded in the fossil record. 这个化石场记录着最可怕最野蛮的行为之一。 The bodies were piled on top of each other and the earth literally ran red with blood. 地面

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Because Tenontosaurus has that long tail, it's a clear sign that it is designed to be more of a weapon. 腱龙长长的尾巴很明显是非同寻常的武器。 So it's got a great way to defend itself. 所以是保障自身安全的好办法。 Tha

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Then, Ostrum's crew made another discovery - lying next to the Raptor was a second skeleton. 紧接着,奥斯特伦姆的团队有了另一个发现,在迅猛龙旁边还有第二具骸骨。 Two Raptors, side by side. 两头迅猛龙紧挨着。

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One of the things that tells us that it's actually a more primitive dinosaur. 这一点说明它是一种较为原始的恐龙。 Now, the third and forth fingers are very small, probably not very functionally effective. 它的第三和第四只手指很

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The landscape of modern Utah scarcely resembles the landscape of 156 million years ago, when Allosaurus ruled supreme, there were fewer mountains. 现代犹他州的地形跟一亿五千六百万年前大相径庭,在异特龙称霸之时,那里没

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Well, the answer is amber - fossilized tree sap. 答案是琥珀,树液的化石。 We find all kinds of prehistoric insects, plants, and even small reptiles trapped within amber. 我们能发现琥珀里面裹着各种史前昆虫、植物甚至小型

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We see the same sort of behavior among lions where the male will simply act as a distraction to drive prey towards the awaiting female. 我们在狮群中见到类似行为雄狮只是起干扰作用把猎物赶向等待着的雌性。 It's a great w

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In 2007, paleontologists of Manchester University made a breakthrough discovery. 在2007年,曼彻斯特大学的古生物学家们取得了一项突破性的发现。 By studying the leg bones, musculature and mechanics behind them, they were able

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The Allosaurus was so focused on the fact that Camarasaurus was stuck, it wasn't in top predator mode. 异特龙过于关注圆顶龙被困泥中,这一点它们没有使用顶级掠食者模式。 That meant it got in too close. 就是说它们靠得

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Under the intense heat of the Jurassic sun, scientists believe an unseen force would begin to take its toll. 在侏罗纪烈日的曝晒之下,科学家们相信一种不可见的力量会发挥其威力。 The massive size of these Allosaurus make

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Gastonia lowers his body to protect his underside. 加斯顿龙伏低身体保护身下。 His tail is heavily armored, but its powerful muscles are able to move it with surprising speed. 它的尾巴全副武装,但其有力的肌肉能带动尾巴以

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Along with its enormous size, one feature set T-Rex apart from all other meat eaters- true binocular vision. 除了其巨大的身躯外,有一个特点让霸王龙从所有肉食者中脱颖而出真正的双目视力。 It had forward focusing vi

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Along with its deadly claws, Utahraptor relied on its teeth as an effective means of killing its prey. 除了其致命的爪子外,犹他盗龙凭借它的牙齿作为一个杀死猎物的有效工具。 And to ensure it always had a fresh set, Uta

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Broadcast: February 28, 2003 By George Grow This is the VOA Special English Environment Report. Scientists have appealed for international cooperation to protect leatherback sea turtles. The scientist

发表于:2019-01-02 / 阅读(65) / 评论(0) 分类 VOA2003(上)-社会广角

Geologists 地质学家 Geology is a very interesting field of science. 地质学是一个非常有趣的科学领域. People who study geology are called geologists. 研究地质学的人被称为地质学家. Geologists explore the Earth. 地质学家

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In animals, this part of the brain evolved around the time of the dinosaurs before mammals existed. It's hardwired to beat starvation. For three days Jean-Luc has been trapped underground. He hasn't had a morsel to eat. He doesn't know it, but his br

发表于:2019-01-22 / 阅读(63) / 评论(0) 分类 自然百科2008年

Of course dinosaur hunting didn't end with the deaths of the great nineteenth-century fossil hunters. Indeed, to a surprising extent it had only just begun. In 1898, the year that fell between the deaths of Cope and Marsh, a trove greater by far than

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