In fact, this was written by the author out of boredom. He felt that science textbooks were too boring, so he wrote it in the form of a novel. However, the author's personal skills are limited, so the things he wrote may not be so profound, but just enjoyable.
The main plot is about a child who doesn't like to learn physics. One day he was punished [by mistake] and was sent to the space to be trained and [crossed out] to learn, and finally became a top student. The pig's feet are male. In fact, the author believes that there can be CP, but that is just an accessory product. It is mainly about explaining some simple things in the form of a novel!