The meaning of cloud

Cloud is a magical phenomenon in nature. It is formed by the cooling and condensation of water vapor in the air and usually appears in the sky.

From a scientific point of view, clouds are formed by countless tiny water droplets or ice crystals suspended in the air. These water droplets or ice crystals are constantly condensed and evaporated under the influence of temperature and humidity in the air. When the water vapor in the air reaches saturation, it will form water droplets or ice crystals, and then form clouds. The color, shape and height of clouds are all related to meteorological conditions, such as temperature, humidity and wind speed.

Besides meteorological significance, clouds have many symbolic meanings. In the traditional culture of China, the cloud is regarded as a symbol of good luck and is often associated with immortals and fantasy stories. For example, the legendary Xiangyun is regarded as a car of the gods, which means auspiciousness, peace and smoothness. At the same time, clouds are often used to express people's emotions and moods. Idioms such as white clouds, pale dogs, clouds and clouds all contain feelings and thoughts about life.

In modern society, cloud is also widely used in various fields. In meteorology, weather changes and climate changes can be predicted by observing and studying clouds. In the aerospace field, the existence and change of clouds have an important impact on flight safety. At the same time, cloud is also widely used in literature, art, photography and other fields, and has become an important carrier for creators to express their thoughts, feelings and aesthetic pursuits.

Cloud word formation and sentence formation;

1, passing clouds: describe things that disappear quickly.

Sentence making: Those once glories are gone forever.

2, resounding through the sky: describe the sound is very loud.

Sentence making: His singing resounded through the sky, making people feel shocked.

3, dark clouds: the sky is full of dark clouds, describing the weather as cloudy.

The sky is gloomy, and it seems that it will rain soon.

4, the wind swept away the clouds: the wind blew away the remaining clouds, metaphorically swept away.

Sentence: He wolfed down a table of delicious food and swept it away.

5, blustery: the wind is blowing, the dark clouds are surging, which means that many things have started one after another, and the momentum is huge.

Sentence making: The trend of globalization is surging, and various opportunities and challenges follow.

6. Walking on clouds and fog: riding on clouds and fog describes flying or running fast.

Sentence: He walked across the valley like a cloud, which was amazing.

7. Changing situation: Describe the changing situation.

Sentence: The international situation is changing, so we should always be vigilant.

8. White clouds and pale dogs: a metaphor for impermanence.

Sentence: Time flies, white clouds are pale dogs, and decades have passed in an instant.

9. Clouds are clearing away: describe the weather turning fine or the truth coming out.

Sentence making: After some efforts, the case finally came to light.

10, the difference between cloud and mud: the description is very different.

Sentence: There is a world of difference between the rich and the poor, just like the difference between clouds and mud.