1·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.
有人说它是兽脚恐龙的后代（兽脚恐龙是一群食肉的两足恐龙，其中包括异龙、迅猛龙与暴龙），这引起了学界很大的注意。
2·The new findings confirm that the ancient bipedal dinosaur Stegoceras could knock out any of today's top head-butters.
新的发现证实古代两足生物剑角龙可以打败现今顶级的善于头部撞击生物。
3·It is said to be a tree climber, but often stands on the ground in a bipedal stance.
据说它是爬树好手，但是却经常以两足站立。
4·Ostriches are descendants of dinosaurs, and the researchers liken ostrich movements to those of bipedal dinosaurs.
鸵鸟是恐龙的后裔，研究人员将鸵鸟的运动比作两足恐龙的运动。
5·They are bipedal humanoids, with small eyes and large eyelids, and infrared vision that allows them to see in the dark.
他们是两足人形生物，有着小眼睛和大眼睑。对红外辐射敏感的视觉使他们能在黑暗中看见东西。