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Qi in mathematical clocks and watches
Breathing is like fish.

[Explanation] Qi is like a wisp of hair.

Qi: Breathing is a sign of life and a metaphor of death.

[Source] Xu Yuan Jayce's "Yuequ Chun Qing" ("Guiling Chun Qing")

After birth, there will be no acacia, only acacia, and then acacia. The body is like a floating cloud, the heart is like a flying catkin, like it, like it constantly. There is a faint scent here, and I look forward to wandering for a thousand dollars. When is the most violent time when the symptoms of lovesickness come? It's when the light is half dark and the moon is half bright and half bright.