Miss Chun dyed the tree with green nails.

It can be written as follows: when the trees sprout, people know that the cold winter has passed and the warm spring has arrived.

Spring, also known as spring, is the first of the four seasons, which refers to the period from beginning of spring to long summer, including solar terms such as beginning of spring, rain, fright, vernal equinox, Qingming and Grain Rain. This is the season when everything comes back to life. The Gregorian calendar in the northern hemisphere is from early February to early May and from September to 165438+ 10 in the southern hemisphere. In meteorology, the beginning of spring is that the average temperature is above 10℃ for five consecutive days.