lower boundary

英 美
  • 下边界
  • boundary n.边界;分界线
  • lower adj.低的;下级的;下层的v.降低;减弱;跌落
    1. These are the Irregular Upper and Lower Border, Favrile, Geometric, Transition to Flowers, Flowered Cone, and Flowered Globe groups.
      这些都是非正常上,下边界,几何,过渡花,花锥体,和发纸条。