1. Cold-blooded animals were used to test this hypothesis. 冷血动物被用来验证这一假设。
2. Their cold-blooded killers had then dragged their lifeless bodies upstairs to the bathroom. 那些杀死他们的冷血杀手们随后把他们的尸体拖到了楼上的浴室。
3. The killing was cold-blooded, and those who committed this atrocity should be tried and punished. 这场杀戮非常残酷，那些犯下此暴行的人应该受到审判和惩罚。
4. Scientists studying the physiology of dinosaurs have long debated whether dinosaurs were warm- or cold-blooded. 长期以来，研究恐龙生理学的科学家们一直在争论恐龙到底是温血动物还是冷血动物。
5. Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal's than a cold-blooded reptile's. 一些科学家认为，许多种类的恐龙的新陈代谢更像温血哺乳动物，而不是冷血爬行动物。
