back of tool

英 美
  • 刀背
  • back n.后面;背脊;靠背;后背;后卫vt.支持;后退adv.向后地adj.向后的;后面的;偏远的;过时的;积欠的
  • of prep.关于;...的(表所属);出身于;由于
  • tool n.工具;用具;手段;被利用者vt.用工具加工vi.使用工具
    1. I remember that the most early practicality of shark head was appeared in Mongolia and strips in tumulus from Liao dynasty,its back has two shark apices!
      记起来了,最早鲨鱼头的实物是内蒙一辽代古墓出土的刀条,刀背是连续的两个鲨鱼峰!