过去人们一般以为,恐龙就象普通的爬行动物一样是冷血动物,没有恒定的体温,从阳光的照射中取得温暖。然而这个问题绝非人们想象得那样简单,长期以来考古学家们一直为此争论不休,从而分成了两大阵营。有些科学家从恐龙的演变进程着手进行研究,认定恐龙应该是温血动物,如果它们不能保持正常的体温,它们 In the past, people generally thought that dinosaurs were cold-blooded like ordinary reptiles, had no constant body temperature, and were warm from the sunlight. However, this issue is by no means as simple as imagined. For a long time archaeologists have been arguing endlessly for this and have divided themselves into two major camps. Some scientists started the process of evolution of dinosaurs to study that dinosaurs should be warm-blooded animals, if they can not maintain normal body temperature, they