C730 Teaching Skills

Yue Xun was very worried about Yuan Yuan challenging the Treadmill.

No matter what, the Treadmill was an existence that occupied a lot of land, and Yuan Yuan was just a little girl who had just come out of the cottage...

Bang!

Just as Yue Xun finished speaking, an intense loud sound rang out in front of him, causing Yue Xun's eyelids to twitch involuntarily.

After the loud sound fell