柯林斯词典narrow gauge 1. N a railway track with a smaller distance between the lines than the standard gauge of 56 in 窄轨铁路2. ADJ of, relating to, or denoting a railway with a narrow gauge 窄轨铁路的 返回 narrow-gauge剑桥词典A narrow-gauge railway has metal tracks that are closer together than the standard British and American distance of 56.5 inches . （铁道）窄轨的 返回 narrow-gauge