dinosaur - n. one of many reptiles that lived on Earth millions of years ago​

extinction - n. the state or situation that results when something such as a plant or animal species has died out completely​

fauna - n. all the animals that live in a particular area, time period, or environment​

fossil - n. something such as a leaf, skeleton, or footprint that is from a plant or animal which lived in ancient times and that you can see in some rocks​

snout - n. the long nose of some animals

paleontologist - n. a scientist that deals with the fossils of animals and plants that lived very long ago especially in the time of dinosaurs​

serrated - adj. having a row of small points or teeth along the side like a saw​


 2/4   首页 上一页 1 2 3 4 下一页 尾页