The poem that describes the cold and difficult environment of the northern battlefield is: "The fresh air spreads to the golden watch, and the cold light shines on the iron clothes." "Mulan Poems" 1. The poem that describes Mulan's hard work and filial piety is: Chirp again chirp, Mulan rises Hu Zhi. He did not hear the sound of the machine, but heard the sighs of women; 2. The poem describing the preparations before the expedition is: buy horses in the east market, buy saddles in the west market, buy bridles in the south market, buy long whips in the north market;