Classmate Relationship?

NAOH deterioration is divided into two situations. One is complete deterioration, completely reacting with carbon dioxide in the air, and only the product is sodium carbonate. The second type is partial deterioration, which refers to the incomplete reaction with carbon dioxide. In addition to the product sodium carbonate, there is also the reactant residual sodium hydroxide. "Then guess, do I like you very much, or just a little bit?" Ying Shaoxing raised his head, glanced at Lu Songhai, and said softly: "Wait for me to test it tonight." . A campus novel, a two-way secret love without knowing it, and a heart-wrenching sweetness. . Both attack and shou are over 18 years old, cliff 1V1. . There are no vicious/cannon fodder female supporting characters in this article, all female characters serve the plot. . There is indeed a prototype created and it has been authorized. No tearing or deletion will be accepted. . There is no face here, it is super fierce =v=.