Thesentence"及既上苍山负雪明烛天南"canbetranslatedto"UponreachingthetoweringCangshanMountain,carryingsnow,Ilightupthesouthernskylikeashiningcandle."
The sentence "及既上苍山负雪明烛天南" can be translated to "Upon reaching the towering Cangshan Mountain, carrying snow, I light up the southern sky like a shining candle."