... 后中背片 posterior median dorsal plate 后足亚目 Metacopina 互棱齿象亚科 Anancinae ...
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兽脚亚目食肉恐龙是早期的有翼和羽的恐龙，其主要靠后足行走且不会飞行。
Theropods were early winged and feathered dinosaurs that walked mainly on their hind legs and were incapable of flight.
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