Describe a cloudy scene

1, the cold gray cloud, unpredictably covered the seven-color rainbow nine days away, it was trembling and raining.

It's dark and very cold. The grass bowed its head and the branches twisted and looked up. I found dark clouds gathering, but I didn't expect it to rain quietly

Suddenly, dark clouds and strong winds raged. Just now, the weather in Wan Li turned cloudy.

4. Under the dark clouds, the trees are squeaking and the leaves are falling like butterflies.

5, dark clouds are gathering, gloomy like a gloomy child, the sky just gray face gradually sank, replaced by heavy gray black.