单双岸型公式推导过程简介：Hahaha, if you are afraid of a ball, you will die anyway, but the way of death is different. What is there to be afraid of? At worst, eighteen years later, you will still be a good man!
Hahaha, if you are afraid of a ball, you will die anyway, but the way of death is different. What is there to be afraid of? At worst, eighteen years later, you will still be a good man!
