好好向上，天天学习！（错误示范，请勿模仿）

Good good up, day day study!

youdao

警告：此视频中特技由专业选手完成，请勿模仿。骑行时须佩戴相应安全护具。

Warning: The stunts in this video were performed by professionals. Do not attempt anything from this video. Always wear proper safety gear while riding.

youdao

警告：此视频中特技由专业选手完成，请勿模仿。滑板时须佩戴相应安全护具。

Warning: the stunts in this video were performed by professionals. Do not attempt anything from this video. Always wear the safety gear while skating.

youdao