平均值计算公式简介：The other parts of the spider were of little use, so a fireball spell burned them all away. At this time, the monks came over and congratulated Li Dao, looking humble and awe-inspiring.
The other parts of the spider were of little use, so a fireball spell burned them all away. At this time, the monks came over and congratulated Li Dao, looking humble and awe-inspiring.
