"Nuo Xue" may be a metaphor for a specific thing, implying a certain pure, white and pleasant quality, such as pure snowflakes.
"Ice" may mean extremely cold, calm or hard.
But in the Chinese context, I didn't find this specific word or its related meaning. It may be a creative expression or a word used in a specific situation. If I can provide more contextual information, I may be able to explain the meaning of this word more accurately.