translation.en: Now I took this diagram, and I put it in a Photostat machine,  and I took a piece of tracing paper, and I taped it over the Photostat with a piece of Scotch tape -- stop me if I'm going too fast --  -- and then I took a Rapidograph pen -- explain it to the youngsters --  and I just started to reconstitute the dinosaur.
translation.zh: 我选了这个图 我把它放到复印机里  我又取了一张描图纸 我用一片透明胶带 把它贴到复印机上——如果我讲得太快了请告诉我——  我又拿出一支绘图笔—— 告诉那边的小伙子那是啥——  然后我就开始重建恐龙了