高中英语必修5第22页“I have seen amazing things”的归纳总结 （用英语）

The tour guide took us to visit some of the thirty-first Century invention
First of all, we visited a called Idea Book instrument, send the information it can be fast, efficient and environmental protection.
Then, we went to visit a giant machine, it can put the garbage into fertilizer and soil.
Finally, we visited a robot to produce goods place, where there is no waste and no pollution.