The chemical formula of calcium carbonate →CaCO3
In chemistry class, Chu Xieyi first noticed Yu Liubai because he wrote the chemical formula of calcium carbonate on the blackboard.
First freehand (introverted, cute and accepting) & Yu Liubai (black-bellied attack)
A running account of campus literature, from the first year to the third year of high school. Once Upon a Time in the Dragon series. This is the boss
Carbonic acid trilogy part one
Concept: A beautiful story about boyhood