原级：dinosaur
1. 恐龙类：有些生物如恐龙类(Dinosaurs)、菊石类(Ammonoids)、和三叶虫类(Trilobites)等已经绝种多时,我们只有从化石中去了解它们,不过有时侯对其他和它们有密切关系的现存动物的研究,亦可以获得多少有关它们的知识.
2. 恐龍時代：47 Caves 探索洞穴 | 48 Dinosaurs 恐龍時代 | 49 Atlas of Animals in Danger 瀕臨絕種的動物
1. But Gigantoraptor had slimmer hind limbs and more slender calves compared with dinosaurs of similar size.
2. dinosaurs的意思
2. Experts confirmed that the footprints were made by two kinds of large carnivorous dinosaurs, known as theropods.
3. At the foot of the mountain, colourful fossils of shells and dinosaurs add a mysterious flavour to the place.
4. Scientists count five mass extinctions in the fossil record, the most recent 65 million years ago when dinosaurs vanished.
5. He added that the fossils dated mainly from the Late Cretaceous of the Mesozoic Period, when dinosaurs became extinct.
6. Cycad trees are dotted about, a species that were growing at the time of dinosaurs.
7. Scientists believe modern birds are descended from dinosaurs, and examples of feathered dinos have been found dated to 120 million years ago.
8. China deserved the name " nation of dinosaurs, " Dong said.
9. Scientists view that rare solitary digit as evidence that the evolution of dinosaurs was more complex than they first believed.
10. 911chaxun查询·英语单词
10. Clark maintains that the same dinosaur species possibly could have made the widely separated tracks, although he doesn't necessarily think individual dinosaurs migrated that far.