Researchers have long known that the meat-eating Tyrannosaurus rex had a teenage growth spurt, gaining around 35 to 45 pounds per week, to reach its colossal size.
원문출처 : https://www.cnn.com/2020/11/24/world/dinosaur-growth-t-rex-study-scn/index.html
원문출처 : https://www.cnn.com/2020/11/24/world/dinosaur-growth-t-rex-study-scn/index.html