2, half-life interpretation: half-life; Half life.
3, half-life interpretation: half-life, refers to half-life, half-life. From Tang Hanyu's poem "For Hou Xi": "If you choose half your life, you will die first."
4, the definition of the world of mortals: the common name of the world of mortals, the original meaning of the world of mortals in ancient times refers to the bustling city. The poem comes from Xi Du Fu written by Ban Gu, a writer and historian in the Eastern Han Dynasty. Refers to the bustling secular life in this world. From the dirt road in the past, the dust raised after the chariots and horses is a metaphor for the road to fame and fortune.
5, flashy interpretation: refers to paying attention to ostensibly gorgeous or extravagant, which is not practical; Vanity and vanity of wealth. From Wang Chong's "On Balance and Self-discipline": "Its prosperity, its arguments, flashy words, are all clear."