The symbol of autumn.
Autumn For optimists, autumn is the season when crops are ripe, symbolizing bumper harvest, success and beauty. For the negative, autumn is the season when everything sleeps, which represents bleak, frustrated, lonely and lost.
Autumn, also known as autumn, is the third season of the year. The transition season from summer to winter is from September to 165438+ 10 in the northern hemisphere, from March to May in the southern hemisphere, and from the autumnal equinox to the winter solstice in astronomy. The standard for meteorologists to study phenology is: after the intense summer heat, the average temperature for five days is stable below 22 degrees, which means that it is autumn, and it is over when it is below 10 degrees.
Knowledge expansion:
In the season of life, there is no reincarnation. One spring, one summer, one autumn and one winter is a lifetime. In the story of time, we interpret our own lives, and we live our own lives. When the storm comes, we are firm and unshakable, take root and stabilize by our own strength, live up to ourselves and live our lives in vain.
We used to have the vigor of spring and the passion of summer, but now we are heading for bleak autumn. We are not young, and we have to admit that we are old. After the Spring and Autumn Period, I have seen a flower and a scene and become more mature and chic. I put aside some grudges and resentments, and face and accept aging with a natural attitude.
Autumn is the harvest season, and the fruits of many plants mature in autumn. Autumn indicates that the hot summer is coming to an end, and it also means that flowers and trees begin to bear fruit and children, and the harvest season has arrived. At this time, early rice harvesting, late rice transplanting and autumn crops entered an important growth and development period in central China.
The lukewarm weather in autumn is a good time for jogging. Adults can spend an hour jogging every day, which can reduce the risk of premature death. However, warm-up and stretching should be done before and after jogging.
Relatively speaking, when riding a bicycle, the pressure on the joints is relatively small, which not only consumes excess energy in the body, but also improves endurance. Especially in the process of riding uphill and downhill, quadriceps femoris and gluteus maximus can get some exercise.