[] to develop gradually, especially from a simple to a more complicated form; to develop sth in this way （使）逐渐形成，逐步发展，逐渐演变◆The company has evolved into a major electronics manufacturer. 这家公司已经逐步发展成为一家主要的电子器件制造商。◆Their business evolved from a series of mergers. 他们的业务是从一系列的并购活动中逐渐发展起来的。◆We constantly evolve our products to meet the changing needs of customers. 为能满足顾客日益变化的需要，我们不断地改进产品。