The explanation of refining essence is a kind of Taoist health preservation. "Biography of Emperor Wu of the Han Dynasty": "Yuquan population has fluid, but it has not started. Early in the morning, my mouth was full of mouthwash, but I swallowed it. My teeth have been cut 27 times. The third is to stop, that is, to refine essence, so that people can live forever. " Song Minglian praised Fu Tong's virtual image: "If you want a son, you are good at Santian."

Word decomposition

Refining means to make substances pure, tough and concentrated by burning or heating: steelmaking. Coking Refine. Condensed milk purgatory. Temper. Refine with heart: refine words. Refine sentences. Radical: fire; Fine explanation: fine white rice: "I am not tired of fine food." Fine, as opposed to rough: precise. All right. Accurate. Refine. Intensive reading. choose Be careful. Study deeply. Exquisite carving. Smart and considerate: lean. Kyung min. Smart. The purest part of matter, what is extracted: essence. nature