为了触发摄相机，你必须以特定的速度在环上移动。

To trigger the cameras, you have to move over the loops at a particular speed.

youdao

可供这种环移动的绳子、竿子或圆材。

The rope, rod, or spar on which such a ring moves.

youdao

可供这种环移动的绳子、竿子或圆材。

The rope, rod, or spar on which such a ring moves.

youdao