y. < br > with the help of alchemists, it will be more convenient to find and practice medicinal materials on your own in the future. < br > just then, Song, who had been silent, suddenly coughed and... several cases, and all of them lost for various reasons. During that time, in my mother's words, my father had the misfortune to drink cold water and clog his teeth." < br > "later, my mother invited...