旋转，游乐设施，乐园，向心力，转动，娱乐，圆，悬空，Rotation, rides, paradise, centripetal force, rotation, entertainment, circle, suspended
旋转，游乐设施，乐园，向心力，转动，娱乐，圆，悬空，Rotation, rides, paradise, centripetal force, rotation, entertainment, circle, suspended
旋转，游乐设施，乐园，向心力，转动，娱乐，圆，悬空，Rotation, rides, paradise, centripetal force, rotation, entertainment, circle, suspended