ty·ran·no·sau·rus /təˌrænəˈsɔrəs, (ˌ)taɪ-/
暴龍
tyrannosaurus
n : 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 [syn: tyrannosaur, Tyrannosaurus rex]