What does great white shark mean?

"Dabai" refers to the medical staff and volunteers who wear white isolation protective clothing and join the front line of "anti-epidemic". In the past three years, China has fought a soul-stirring "anti-epidemic" war, experienced arduous historical tests, effectively responded to the impact of several rounds of global epidemics, and kept the number of severe cases and deaths at the lowest level in the world. They are the "first line of defense" to protect people's health, and they are the heroes and heroes of "anti-epidemic", leaving an indelible mark in this era.

Pyrotechnic gas

"Firework gas" comes from ancient Chinese, which originally meant "the smell of cooked food". At present, the popular "fireworks gas" refers to a vibrant and energetic life atmosphere.

A passage in the composition topic of Tianjin Volume in 2022 college entrance examination gives a poetic interpretation of the meaning of "fireworks": "Fireworks are family members sitting in groups, with friendly lights; Fireworks for many years; Fireworks are warm and peaceful, which need to be cherished and guarded, and also need dedication and responsibility. Ordinary fireworks are the most beautiful scenery. " In a word, "fireworks" is a person's life and a beautiful life in the eyes of the old hundred surnames.

ceiling

"Ceiling" refers to indoor ceilings, some of which are carved or painted. English uses "ceiling" as a metaphor for "the highest limit, the upper limit". After this usage was introduced into Chinese, its meaning was further extended, referring to the insurmountable "highest point and peak"

This is the popular "ceiling" in different fields: handsome face is called "Yan value ceiling", social ability is called "social ceiling", cargo carrying ability is highlighted as "cargo carrying ceiling", and basketball team forwards are called "striker ceiling" because of their outstanding skills, and so on.