Even a slender diplodocus, once believed to have tipped the scales at five and a half tonnes when alive, has lost a tonne and a half from its weight.
即使是一个瘦形梁龙，曾经被认为在活着的时候重达5.5吨，现在也减重了1.5吨。
In beautiful lakeside, diplodocus is graceful and peaceful.
美丽的湖岸，梁龙姿态优雅，神情安详。
Diplodocus was a giant dinosaur. It was about 90 feet long. Its neck was 26 feet long and its tail was 45 feet long.
双棘龙是个巨大的恐龙，它约有90英尺长，其中，脖子长26英尺，尾巴45英尺。
The other is the Saurischia, whose famous members include Diplodocus and Tyrannosaurus. The Saurischia also include all the immediate ancestors of birds.
另一个则是蜥龙类，其中有很出名的梁龙和暴龙，同时蜥龙类中也有鸟类的直系祖先。
Hammer found more parts of that dinosaur as well as a large sauropod, or plant-eater, resembling a diplodocus, and the new, as-yet-undescribed ornithischian.
汉莫除了发现了这条恐龙的更多部位以外，还发现了一条大型蜥脚类动物，或食草类恐龙，类似于梁龙，以及这条新的、尚无任何描述的鸟臀目恐龙。
The result, once natural selection had done its work over the course of millions of years, was the now familiar cast of Allosaurus, Diplodocus, Triceratops and Tyrannosaurus rex.
结果，历经数百万年间的自然选择，形成了我们今日熟知的异特龙、梁龙、三角龙和霸王龙族群。
The result, once natural selection had done its work over the course of millions of years, was the now familiar cast of Allosaurus, Diplodocus, Triceratops and Tyrannosaurus rex.
结果，历经数百万年间的自然选择，形成了我们今日熟知的异特龙、梁龙、三角龙和霸王龙族群。
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