What is the origin of ice snow?

B ě ng suxu w ─ nn) explanation: ─: water bowl; Dan: Water bowl. Crystal clear water bowl, pure white water bowl. Refers to the tools for washing children, which are pure in texture. Source: You Song Jiahua: "The poem of Yang Huizhi was written by Emperor Taizong and put on the imperial screen. Monk Wen Baoyun said,' It is necessary to use Tianchi Lu Hao to wash pens in ice and snow, which is worthy of this poem.

It feels like snow outside at dusk. How about a glass of wine inside? ! .