There is often a fluffiness to them, a cotton-wool gentleness not seen by day.

夜间的云朵常显得像棉绒般的温软，是白天所不太看到的。

youdao

There is often a fluffiness to them, a cotton-wool gentleness not seen by day.

夜间的云朵常显得像棉绒般的温软，是白天所不太看到的。

youdao