develop gradually, especially from a simple to a more complex form 逐步发展;演变 [no obj.]the company has evolved into a major chemical manufacturer. 这家公司已发展成为一家主要的化工生产厂。 the Gothic style evolved steadily and naturally from the Romanesque. 哥特式由罗马式逐步自然演变而来。 [with obj.]each school must evolve its own way of working. 每所学校必须逐步改进自身的工作方法。 ■(with reference to an organism or biological feature) develop over successive generations, especially as a result of natural selection (用于指有机体或生物特征)进化;演化 the populations are cut off from each other and evolve independently. 这些种群被相互隔绝,独立进化。
[with obj.](Chemistry)give off (gas or heat) (化)释放(气体);散发(热量)
派生 evolvable adjective evolvement noun 语源
early 17th cent. (in the general sense 'make more complex, develop'): from Latin evolvere, from e- (variant of ex-) 'out of' + volvere 'to roll'