Ren kou, zi yuan yu huan jing jing ji xue

Ben shu dui ren kou,Zi yuan yu huan jing jing ji xue de xue ke xing zhi,Yan jiu dui xiang,Yan jiu nei rong yu yan jiu fang fa jin xing tan tao,Li tu quan mian fan ying dang dai ren kou,Zi yuan yu huan jing jing ji xue li lun yan jiu de zui xin jin zhan,Jie shao xian dai zhu liu jing ji xue you guan huan jing wen ti de yan jiu fang fa ji fen xi gong ju.