What does the word sudden drop in temperature mean?

It means that the temperature drops very quickly.

Pinyin: qēwēn zhòu Jiang

In the face of temperature fluctuation, we must strengthen our awareness of self-protection and increase or decrease our clothes in time. People with chronic basic diseases should pay more attention to the impact of external climate change on themselves. Exercise according to physical and mental condition, and do aerobic exercise for at least 30 minutes every day.

Due to the cold climate, the human body has higher requirements for energy and nutrition, and its digestion and absorption function is relatively strong. Proper tonic can not only improve the body's disease resistance, but also lay the foundation for health in the coming year.

Extended data:

The temperature mentioned in the weather forecast refers to the air temperature measured in the open air without direct sunlight (usually measured by blinds). The highest temperature is the highest temperature in a day, generally appearing in14-15; The lowest temperature is the lowest temperature in a day, usually before sunrise.

Daily changes, the highest temperature is around 2 pm, and the lowest temperature is around sunrise. The annual change shows that it is the hottest in July, the coldest in June, the hottest in August and the coldest in February in the northern hemisphere in 65438+ 10. The southern hemisphere is opposite to the northern hemisphere.

It decreases from low latitude to high latitude, so the isotherm is generally parallel to latitude. The temperature of the sea and land at the same latitude is different. In summer, the isotherm protrudes in the direction of high latitude on land and in the direction of low latitude on the ocean.

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