widenvt.加宽；使变宽；扩大vi.变宽Widens only to itself and只扩大到自身和widen the span of knowledge扩大知识面widening mountainous highway道路拓宽Widening information capacity信息拓展widening of palpebral fissure眼裂增宽widen import and export trade扩大进出口贸易Widen one's field of vision.黑彩多丽丝widening rate of regulation line治导线放宽率widening of His bundle potential黑眼豇豆花叶马铃薯Y病毒widening process of adding point添加点加宽过程