Pu tong sheng wu xue/. Xia. Pu tong dong wu xue/. Xia ce. Gao zhong sheng wu xue/. Xia ce. Pu tong sheng wu hua xue/ Pu tong sheng wu xue Pu tong zhi wu xue/. Xia ce. Gu sheng wu xue/. 1. Pu tong wu li xue/. Xia. Pu tong dong wu xue/. Shang ce. Pu tong dong wu xue/