目前，关于霸王龙行进的速度问题尚没有一个确切的答案，但是，Persons却坚信，霸王龙的脚力在其生态体系中是首屈一指的。
It's unclear at present what T. rex's exact sprinting speed was, but Persons believes this fleet footed dinosaur could run down all other animals in its ecosystem.
目前，关于霸王龙行进的速度问题尚没有一个确切的答案，但是，Persons却坚信，霸王龙的脚力在其生态体系中是首屈一指的。
It's unclear at present what T. rex's exact sprinting speed was, but Persons believes this fleet footed dinosaur could run down all other animals in its ecosystem.
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