仔细观摩起来。这柄(bǐng )剑长约二(èr )尺六寸,剑身玄铁铸造,又(yòu )轻又薄,上面布满菱形的暗纹,显(xiǎn )得(dé )神秘,刃部不像(xiàng )其他剑是平直的,背脊清晰成线(xiàn )锋(fēng ),其最(zuì )宽约在(zài )距剑(jiàn )半尺(chǐ )处,随(suí )后(hòu )呈(chéng )弧线内收,至剑(jiàn )锋(fēng )再次外凸然后内收聚成(chéng )尖峰(fēng ),混体青光(guāng )茫(máng )茫,给人寒冰如雪、吹毛利(lì )刃的锋(fēng )利感(gǎn )觉。剑柄处(chù )好似刻了什么字,杨轩立马(mǎ )将剑移到烛(zhú )光下,