VOA慢速英语:科学家发现一种羽毛富有光泽且颜色多变的的恐龙

rainbow – n. a curved line of different colors that sometimes appears in the sky when the sun shines through rain

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

feather(s) – n. any one of the light growths that make up the outer covering of the body of a bird

evolutionary – adj. related to a theory that the differences between modern plants and animals are because of changes that happened by a natural process over a very long time

hummingbird – n. a very small, brightly colored American bird that has wings which beat very fast

neck – n. the part of the body between the head and the shoulders

crest(s) – n. a group of decorative feathers at the top of a bird's head

tail – n. the part of an animal's body that extends from the animal's back end

paleontologist – n. someone whose job is to study the science that deals with the fossils of animals and plants that lived very long ago especially in the time of dinosaurs