求翻译：剑龙为一种巨大的恐龙，生存于侏罗纪晚期的食草性四足动物。它们被认为是居住在平原上，并且以群体游牧的方式和其它如粱龙的食草动物一同生活。它的背上有一排巨大的骨质板，以及带有四根尖刺的危险尾巴来防御掠食者的攻击。大约12公尺长和7公尺高，重达4 吨。是什么意思？

Stegosaurus, a huge dinosaur that lived in the late Jurassic herbivorous quadrupeds. They are considered to be living in the plains, and the nomadic way of groups and other herbivores such as sorghum Long live together. A huge row of bony plates, and with four spikes dangerous tail it back to defens

For a stegosaurus dinosaur, such a great survival food in the Late Jurassic 4 feet of grass species. They are considered to be living in the plains, and on the way to nomadic groups and other such as Helsinki, the herbivores lived in the same. On the back of it there is a huge drain of osteoporosis,

The stegosaurus is one kind of giant dinosaur, survives in the Jurassic Period later period food grass quadruped.They were considered is lives on the plain, and the way and other like Liang Long herbivore which moves about in search of pasture by the community lives together.It carries on the back h

Stegosaurus is a massive dinosaur, living in the Jurassic advanced herbivorous quadrupeds. They are considered to be living on the Plains, and for a group of nomadic and living together with other dragons of grazing animals Liang. It's on the back of a huge plate of bone, as well as with four spiked

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