极速赛车数学公式大全简介：There was a soft bang, and the orb flashed and turned into a dark black ball of light about ten feet in diameter. It quickly escaped downwards and disappeared into the cave below in the blink of an eye.
There was a soft bang, and the orb flashed and turned into a dark black ball of light about ten feet in diameter. It quickly escaped downwards and disappeared into the cave below in the blink of an eye.
