The cloud shadow of (), what adjective is filled in ()?

A faint cloud shadow, a thin reflection, the cloud is very thin, the sky is very narrow, the cloud sings the thin shadow without hesitation, the cloud is very light and cold, the wild goose shadow in the Yangtze River.

Quietly, swaying and fluttering, "Dancing Clothes and Clouds" and "Blue Clouds and Clouds Falling"

In addition, you can also fill in colored ones: white and crimson (which can be used to write weather and scenery in your composition. For safety reasons, it is best to write common ones on the test paper)