现在，你在以六十英里的时速在轨道上向下俯冲，不断扭转，完成挑战死亡的一个个绕环运动。

Now you're running down the track at 60 miles per hour, taking turns and completing death-defying1 loops.

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身体冷的时候是僵硬的，走路、跑步、跳娃娃、大臂绕环任何运动，流一些汗，促进新陈代谢及让血液流动。

A cold body is a tight body. Hike, jog, do jumping jacks, windmills - anything to break a light sweat, get the metabolism cranking and the blood flowing.

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