Cloudy Sunny Day

About a man from science and engineering who travels to a different world. As for this introduction, I am speechless at 100 words. I haven't started writing yet. How do I know what to write? Well, just skip and read the main text. There is a small climax in chapter 3, and a big climax in chapter 10. If you really can't go on, it will end. It requires a bit of knowledge reserve, don't learn random knowledge in it, and it's less than 100 words, so I'm sorry. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.