这只恐龙很可能是原始的蜥脚类亚目动物——长颈、四条腿的食草动物，类似于我们较为熟悉的腕足类恐龙。
The animal would have been a primitive sauropod — a long-necked, four-legged grazer similar to the better known brachiosaurs.
幸存下来的恐龙是其更原始的亲缘动物。
The dinosaurs were survived by their more primitive smaller relatives.
幸存下来的恐龙是其更原始的亲缘动物。
The dinosaurs were survived by their more primitive smaller relatives.
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