6 个月
HowStuffWorks on MSNThe Largest Carnivorous Dinosaur May Not Have Been T. RexYet Giganotosaurus carolinii is always getting compared to the world's most popular dinosaur, the beloved and well-known ...
An international team of scientists has discovered the first evidence that a huge carnivorous dinosaur roamed southern Africa 200 million year ago. The team, which includes researchers from The ...
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