1.Scientists also knew about a related group called prosauropods, dinosaurs that were intermediate in size and posture.
科学家们也研究过一种叫做原蜥脚类的体态为中型的恐龙，它们与蜥脚类恐龙亲缘很近。
2.Scientists also knew about a related group called prosauropods, dinosaurs that were intermediate in size and posture.
科学家们也研究过一种叫做原蜥脚类的体态为中型的恐龙，它们与蜥脚类恐龙亲缘很近。