“theropod dinosaur”可以造什么句，theropod dinosaur造句

Suggestions that they were the direct descendants of theropod dinosaurs (a group of bipedal meat-eaters that include Allosaurus, Velociraptor and Tyrannosaurus) caused quite a flap.

But many theropod dinosaurs have ambiguous features, such as peg-like teeth at the front of the mouth, or no teeth at all.