"Blood" is a first-class Chinese character, which was first seen in Oracle Bone Inscriptions. Its original meaning is to enlighten children and make them realize, that is, the so-called "enlightenment" in Shuo Wen Jie Zi, which is originally used to express education, thus extending the meaning of mutual discussion, imitation, annotation, narration and knowledge.

Group words:

1. Learning refers to the process of acquiring knowledge through reading, listening, thinking, research and practice. The process of acquiring knowledge or skills through reading, listening, researching, observing, understanding, exploring, experimenting and practicing is an act that enables a person to obtain continuous changes (the improvement and sublimation of knowledge and skills, methods and processes, emotions and values). Such as the process of acquiring knowledge through school education.

2. The school is a purposeful, systematic, organized and planned social activity conducted by full-time staff and specialized agencies. The direct purpose is to influence the physical and mental development of the educated, and finally make the physical and mental development of the educated reach the predetermined goal.