神马品牌网紫砂壶用英文怎么说:短文翻译
来源：百度文库 编辑：神马品牌网 时间：2024/04/30 02:00:13
Take any long piece of paper. Now glue the ends of the paper together. You have made a ring. Take a second long of paper, twist the paper once and goue the ends together. Now you have made a Mobius band . For people studying math,this band is uncommon.