This dry frosty snow is prepared for the grand banner-waving celebrations by the action of the wind.

这场干燥的霜雪是在风的作用下为盛大的挥舞旗帜的庆祝活动准备的。

This dry fragmentary snow is still further prepared for the formation of banners by the action of the wind.

这种干燥的零星雪还在进一步为风的作用形成旗帜做准备。