In the early summer of 2019, I was about to graduate with my master's degree. That year I met a person who told me his story...
Four years later, in early autumn, during the sweet-scented osmanthus season, I remembered him again...
PS: The author is a newbie in science and engineering, and his writing style is immature and unfamiliar. Readers, please bear with me. The three-dimensional work is very busy, so I will update from time to time! Welcome to leave a message.
Intention: Intention to be added