回乐烽前的沙地白得像雪，受降城外的月光冷如寒霜。不知何处吹起凄清的芦管声，一整夜里出征的将士们都在遥望故乡。
{"notes":[{"word":"回樂烽","exp":"烽火台名，在今宁夏灵武县西南，指回乐县的烽火台。"},{"word":"受降城","exp":"唐代受降城有三处，此指西受降城，在今内蒙古杭锦后旗乌加河北岸。"},{"word":"沙似雪","exp":"形容沙地洁白如雪，比喻边塞荒寒。"},{"word":"月如霜","exp":"月光皎洁如霜，渲染凄清氛围。"},{"word":"蘆管","exp":"即芦笛，用芦苇制成的管乐器，声调悲凉。"},{"word":"徵人","exp":"指戍边士卒，‘征’同‘征’，远行服役之人。"},{"word":"盡望鄉","exp":"全都眺望故乡，表达思乡之情。"}]}