20年之后,我成了发明和制造笔的专家。我在中国最高的金朵大厦的秘密实验室里用短线、长线、三角形和圆组成了几枝功能奇异的笔。液体铅笔是我发明的第一枝笔。未来书写工具中,最多的将是圆珠笔,这种圆珠笔同现在的不同,用它书写出来的字迹在三个小时内,可以 Twenty years later, I became an expert in inventing and making pens. In the secret laboratories of China's tallest gold-flower building, I composed short-term, long-term, triangular and round shapes with several oddly-colored pens. Liquid pencil is the first pen I invented. The future of writing instruments, the most will be a ball-point pen, this ball-point pen is different from the present, use it to write the handwriting within three hours, you can