短语词组短语street widening 街道扩阔;街道拓宽;街道加宽bridge widening 桥梁加宽;大桥扩建工程;扩阔大桥Widening Participation 广泛参与;扩大参与组widening choice 加宽选择;展宽gauguste widening 轨距加宽widening circuit 展宽电路heel widening 袜跟放针selvedge widening 扩边法Widening the 拓宽 返回 widening