冠龙是种大型恐龙，长着像鸭子一样的脸。
The Corythosaurus was a large dinosaur with a face shaped like a duck's.
冠龙成群居住。它们能跑得很快。冠龙是相当聪明的恐龙。
Corythosauruses lived in groups. They could run fast. They were pretty smart.
安妮摸了摸翼龙的冠，抚摸着它的脖子。
这就使我们可以自信的得出这一结论：雄性翼龙拥有头冠和较小的尾部，而雌性翼龙则与之相反。
We're very confident now that we're dealing with two genders here - males with big crests and small hips, and females with no crest on the skull and large hips.
副栉龙的冠饰可能由于蛋白质而富于颜色，但它还有另一个用处，那就是音频部件。
The crest of Parasaurolophus would likely have been brightly colored by these proteins, but it had another use too... as an audio component.
两个性别的蜥趾龙都有羽毛，但雌性的头冠羽毛和五颜六色显得更鲜艳夺目。
Both genders have feathers but female plumage and overall coloration tends to be more vivid and striking.
用CT扫描副栉龙的冠饰，我们会发现这种动物会发出低频音，可以传向浓密的丛林深处。
CT scans of Parasaurolophus' crest reveals the animal likely trumpeted low-frequency sounds that traveled well within a dense forest environment.
但是安妮摸了摸无齿翼龙的冠，摸了摸它的脖子。
Butt Annie touched the Pteranodon's crest. She stroked his neck.
但是安妮摸了摸无齿翼龙的冠，摸了摸它的脖子。
Butt Annie touched the Pteranodon's crest. She stroked his neck.
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