theropodan

基本解释

Life in the late theropod Triassic cretaceous.
兽脚类生活在晚三叠纪至白垩纪。
The strongest support for this theory of theropod gigantism comes from what is known about the rise of T. rex, however.
然而，这个兽足类巨大化理论最有力的支持，却来自对霸王龙身世的了解。
An example of macroevolution is the appearance of feathers during the evolution of birds from theropod dinosaurs.
宏进化的一个例子是鸟类在从兽角亚目的恐龙进化期间羽毛的出现。
Now we must acknowledge that birds are a group of the feathered theropod dinosaurs that evolved the capacity of powered flight.
而现在我们则必须承认，所谓的鸟类是指一群有羽毛、演化出飞翔能力的兽足类恐龙。
A member of the Dromaeosauridae of dinosaurs, it was a bird-like theropod dinosaur, which flourished during the Cretaceous Period.
它属于驰龙科一员，是一种类似鸟类的兽脚亚目食肉恐龙，在白垩纪繁盛一时。