我的叔叔是滑雪救护队的一员，他告诉我一个简单的办法，手腕上的静脉可以促使升温的血液流过你的身体，几秒钟后，你就会感到变暖了。
My uncle, who is on ski patrol, told me that the easy access to veins in your wrists allows the warmed-up blood to travel through your body, making you feel warmer after just a few seconds.
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