Describe dark clouds

The sentence describing the dark clouds is as follows:

1. Dark clouds, like smoke from a locomotive, rolled rapidly, swooped down from the highest peak of Beishan Mountain, and immediately turned into a group of behemoths, devouring all the stunned valleys, struggling forests, crying wildflowers and frightened birds along the way.

It was clear in Wan Li just now, and the sun smiled at everything. What about now? Dark clouds gathered quickly, and the sky seemed to be dyed black with ink.

3. Dark clouds pile up into a whole block, like a thick iron, and gradually sink into the ground; It seemed to be built on the roof, and the house was soon squashed.

It's dark, and the dark clouds seem to be coming down. Sun Popo also hid in fear, and Baiyun, who had just played, ran home to sleep.

Strong winds gather dark clouds, like driving away countless ones. Black wild horses, running wildly in Tianchi. The sky and the earth are tightly pulled together and deeply connected like rolling dark clouds.

6. The weather is extremely sultry, and the heat is suffocating. Soon, large tracts of dark clouds fell from the distant horizon. In an instant, the sky was covered with dark clouds, and thunder was mixed with lightning, accompanied by thunder and heavy rain ...

7. As the saying goes, "In June, the doll's face changes as soon as it changes." Wan Li, which was clear just now, suddenly became gloomy. Dark clouds filled the whole sky, the wind blew and the leaves rustled. A few thunders came not far away, as if to tell people that there was going to be a thunderstorm!

8. At the moment, there is a strong wind and dark clouds in the air. Then it began to rain. It is raining harder and harder, and it is threatening. The rain brushed down like countless lines, scouring the rows of trees in front of the door.

9. The color is getting darker and darker. Dark clouds are as low as the market. The clouds are getting thicker and thicker, the sky is getting lower and lower, and the sky is more gloomy. Steel-like dark clouds are connected with the canyon and surround the village like an iron cage.