12个数字两两组合一共多少种情况简介：Another whole day passed, and when night once again enveloped the world, the Qingyun Beast, which had been silent for a long time, suddenly let out a weak roar, with pain and a trace of excitement mixed in the sound.
Another whole day passed, and when night once again enveloped the world, the Qingyun Beast, which had been silent for a long time, suddenly let out a weak roar, with pain and a trace of excitement mixed in the sound.
