鏡頭低角度滑過結冰湖面，冰層裂開，長著冰刺的巨型北極熊破冰而出，Grok Imagine Video 提示詞

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Low-angle dolly shot glides across a frozen lake. Cracks begin forming beneath the surface. The camera tilts up as a gigantic polar bear emerges, its fur crystallized with ice spikes. Each roar releases a shockwave of frost that freezes the air, forming expanding ice patterns across the frame.