evolutionary
adjective uk/ˌiː.vəˈluː.ʃən.ər.i/ /ˌev.əˈluː.ʃən.ər.i/ us/ˌiː.vəˈluː.ʃən.er.i/ /ˌev.əˈluː.ʃən.er.i/
进化的
relating to the way in which living things develop over millions of years
演变的;逐步发展的
involving a gradual process of change and development
The change has been evolutionary rather than revolutionary. 这种变革是渐进的,而不是革命性的。