What do you mean by fireworks, strong spring and warm years like flowers?

This sentence is used to describe a warm, happy and peaceful scene. Among them, "human fireworks" refers to the bustling scene of the world; "Strong spring" means that the breath of spring is very rich; Time is warm expresses the warmth and tranquility of time; "Just in time for flowers to bloom" means flowers are in full bloom. The whole sentence means that at this moment, everything in the world is thriving and full of vitality, and people's mood is as warm and happy as spring.