evolve和revolve区别？

evolve，v.发展;进化;(使)逐渐形成;逐渐演变;

例句，The company has evolved into a major chemical manufacturer.

这家公司已逐步发展成一个主要的化工厂。

revolve ，vi.旋转;环绕;转动;

例句，The mixture flows to a revolving drum where the water is filtered out.

混合剂流过旋转着的滚筒时水分便从中滤出。