| 释义 |
〔allosaur〕Any of various carnivorous dinosaurs of the late Jurassic and early Cretaceous Periods, similar to but smaller than the tyrannosaur.跃龙,异龙:侏罗纪晚期和白垩纪早期任一种食肉恐龙,形似霸王龙但体型较小〔tyrannosaur〕A large carnivorous dinosaur of the Upper Cretaceous Period of North America, characterized by small forelimbs and a large head.霸王龙:上白垩纪北美洲的一种大型食肉恐龙,前肢小且头大 |