(翻译)In 1858 H.L.Lipman had such an idea He took out a pencil,a piece of paper
问题描述:
(翻译)In 1858 H.L.Lipman had such an idea He took out a pencil,a piece of paper
答
在1858年 H.L.Lipman 产生了一个想法,于是他拿出了一支笔和一张纸