Tyrannosaur

[tɪ'rænəsɔː;taɪ-] or [tɪ'rænəsɔr]

解释:

(noun.) large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America.

整理:谢尔登--From WordNet