What is the description of "Rain gives birth to a hundred valleys"-a solar term () () A. A fright B. A vernal equinox C. A winter solstice D. Grain Rain.

"Rain gives birth to hundreds of valleys" describes the solar terms in Grain Rain.

I. Introduction to Grain Rain

Grain Rain is the sixth solar term among the 24 solar terms and the last solar term in spring. Combat refers to Chen; The meridian of the sun is 30; Celebrate every April 19-2 1 in Gregorian calendar. Grain Rain is taken from the meaning of "Rain gives birth to hundreds of valleys", and Grain Rain, like the solar terms of rain, small fullness, light snow and heavy snow, is a solar term reflecting precipitation phenomenon and also a reflection of ancient farming culture on festivals. ?

Second, climate change.

Continuous spring rain is the most important feature of solar terms in Grain Rain. After the solar term in Grain Rain, the rainfall increases and the humidity in the air gradually increases, which is beneficial to the growth of crops. After entering the Grain Rain solar term, the precipitation in the middle and lower reaches of the Yangtze River and the south of the Yangtze River increased obviously, especially in South China. Once cold air meets warm and humid air, it will often form rainy weather for a long time.

The Huaihe River Basin in Qinling Mountains is basically the dividing line between the spring rain in the south of the Yangtze River and the spring drought in the north. From the Qinling-Huaihe River to the north, the spring rain decreased sharply. In the north, Grain Rain is a symbol of the "final frost". There are few cases of large-scale invasion of cold air into the south, but the cold air activities affecting the north have not stopped, and early thunder will appear in many places.

Grain Rain custom

First of all, enjoy the peony.

"Grain Rain visited the peony in the Middle Three Dynasties". Peony flowers are called Grain Rain flowers and rich flowers, and Grain Rain has enjoyed peony for thousands of years. Up to now, Heze, Shandong Province and Luoyang, Henan Province will hold peony flowers in Grain Rain season for people to watch and play.

Second, drink grain rain tea.

There is a custom of drinking tea in Grain Rain. Grain Rain tea, that is, tea before rain, is spring tea picked in Grain Rain season, also called spring catechu. Grain Rain tea is made of new tea picked in Grain Rain on this day, and it should be picked in the morning. Grain Rain tea has green color, soft leaves, rich vitamins and amino acids, and pleasant aroma. It is said that Grain Rain tea on this day can clear fire, ward off evil spirits and improve eyesight.

Third, "eat spring"

Before and after Grain Rain, Toona sinensis was mellow and refreshing with high nutritional value, so it was said that Toona sinensis was tender as silk before the rain. People say that picking and eating Toona sinensis in spring is "eating spring".

Fourth, take Grain Rain.

There was a custom of "going to Grain Rain" in ancient times. On this day, young women in Grain Rain visited relatives in the village, and some people came back after walking in the wild. The implication is to integrate with nature and keep fit.