The speed of the moon's rotation around the earth is very small compared with the speed of the autobiography of the earth. So it can be considered as motionless. Everything in the sky that can be regarded as immobile, such as the sun, rises and sets in the west. The difference is that the moon rises at different times every day, and sometimes it happens to be noon, so at night, the moon is already hanging in mid-air.
The sharp turn of the brain meridian can be used to adjust the atmosphere. Compared with riddles, the sharp turn of brain meridian is humorous and popula