1. Although many lines of evidence indicate that birds evolved from ground-dwelling theropod dinosaurs, some scientists remain unconvinced.
尽管有许多证据表明鸟类是从陆生兽脚亚目恐龙进化而来的，但一些科学家仍然表示怀疑。
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2. Raptors look quite a bit like dinosaurs but they have much more in common with birds than they do with other theropod dinosaurs such as Tyrannosaurus.
迅猛龙看起来有点像恐龙，但是它们与其他兽脚类恐龙比如暴龙相比，与鸟类更相似。
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3. This objection was reasonable when only early theropod clavicles had been discovered, but fossilized theropod clavicles that look just like the wishbone of Archaeopteryx have now been unearthed.
5. The type of dinosaur that was found is known as a theropod.
这是一种兽脚亚目肉食恐龙。
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6. Instead of theropod footmarks, they found those of crocodilians.
他们发现的是鳄鱼的足迹，而不是兽脚类的。
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7. At last there was evidence of truly primitive feathers—found on a ground-running theropod.
这种结构最终被证实是极其原始的羽毛——且存在于陆生的兽脚亚目恐龙身上。
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8. In that sort of environment even a big theropod would constantly have been looking over its shoulder.
在那样一种环境下，即便是一头巨大的兽脚亚目食肉恐龙也会不时回头张望。
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9. But many theropod dinosaurs have ambiguous features, such as peg-like teeth at the front of the mouth, or no teeth at all.
但是，许多食肉恐龙的特征并不是很明显，例如：要么在嘴的前部有“钉状牙齿”，要么就根本没有牙齿。
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10. Paleontologists are now carefully studying the closest theropod relatives of birds for clues to how this transition occurred.
古生物学家正在对鸟类的兽脚亚目最近亲进行仔细研究，以寻找这种转化的线索。
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11. Scientists said they worked out the diet of 90 theropod species and found that a surprisingly large proportion were plant eaters.
科学家称，他们研究了90份肉食性恐龙物种的食谱，并且得出了惊人的发现：这些恐龙大部分都是食草性的。
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12. Paleontologists believe the meat-eating theropod dinosaur was light, agile and very fleet of foot, with three large slashing claws on each hand.
古生物学家认为这两种食肉类恐龙轻巧、灵活、速度快，而且每个蹄子有三个巨大锋利的爪子。
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13. Perhaps the time has come to finally accept that archaeopteryx was just another small, feathered, bird-like theropod fluttering around in the Jurassic.
14. The feathers most likely belonged to a baby nonavian theropod, meaning it looked more similar to a velociraptor or Tyrannosaurus rex than to a modern bird.
这些羽毛极有可能属于一只年幼的非鸟兽脚类恐龙，意即样子更接近伶盗龙或者暴龙，而非现代鸟类。
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15. "Raptors look quite a bit like dinosaurs but they have much more in common with birds than they do with other theropod dinosaurs such as Tyrannosaurus," Ruben said.
16. "Raptors look quite a bit like dinosaurs but they have much more in common with birds than they do with other theropod dinosaurs such as Tyrannosaurus, " Ruben said.
17. Since then, however, scientists have found a number of well-preserved theropod fossils with many more featherlike structures, corresponding to downy feathers and feathers with vanes.
18. Suggestions that they were the direct descendants of theropod dinosaurs (a group of bipedal meat-eaters that include Allosaurus, Velociraptor and Tyrannosaurus) caused quite a flap.
19. Here we report an isolated theropod left metatarsal IV (IVPP V 18060) from the upper part of the Shishugou Formation, exposed at the Wucaiwan Locality in the northeastern part of the Junggar Basin.
20. Buddy spends time with Laura Giganotosaurus, a large dinosaur who always rides the Dinosaur Train and, like Buddy, is a three-toed theropod! Buddy also discovers that Laura is an avid bird-watcher.
21. Buddy spends time with Laura Giganotosaurus, a large dinosaur who always rides the Dinosaur Train and, like Buddy, is a three-toed theropod! Buddy also discovers that Laura is an avid bird-watcher.
