1. 游戏开始时，请站在虚线框内，保持两臂平展，直到倒计时结束。
2. 上下挥动双臂，控制小鸟向上飞。
3. 左右移动身体，控制小鸟水平移动。
4. 双臂高举过头顶，暂停游戏。
1. When the game starts, please stand in the dotted box and keep your arms flat, until the countdown ends.
2. Wave your arms up and down to control the bird's upward flight.
3. Move the body from side to side to control the bird's horizontal movement.
4. Hold your arms above your head to pause the game.
