名词
1. 进化
Evolution is a process of gradual change that takes place over many generations, during which species of animals, plants, or insects slowly change some of their physical characteristics.
2. 演变;演化;演进;发展
Evolution is a process of gradual development in a particular situation or thing over a period of time.
1. a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)
e.g. the development of his ideas took many years
the evolution of Greek civilization
the slow development of her skill as a writer
Synonym: development
2. (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms