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来源：百度知道 编辑：UC知道 时间：2024/05/25 13:38:14
为什么有风的天更冷
Anyone who's been outside on a windy, winter day knows it's a lot more difficult to stay warm than on a calm day with the same temperature.
On a calm winter day, our bodies warm up a thin layer of air close to our skin -- called the boundary layer -- and that helps to insulate us from the cold air. However, when the wind starts to blow, it strips away this boundary layer and our skin is more exposed to the cold air.
Because wind chill speeds up the rate at which your body loses heat, it can be dangerous. Each year in Canada, more than 80 people die from overexposure to the cold.
Anyone who's been outside on a windy, winter day knows it's a lot more difficult to stay warm than on a calm day with the same temperature.
On a calm winter day, our bodies warm up a thin layer of air close to our skin -- called the boundary layer -- and that helps to insulate us from the cold air. However, when the wind starts to blow, it strips away this boundary layer and our skin is more exposed to the cold air.
Because wind chill speeds up the rate at which your body loses heat, it can be dangerous. Each year in Canada, more than 80 people die from overexposure to the cold.
在相同温度下，人们在冬天的大风天站在外边的时候，发现比没有风的天气更冷。
在没有风的冬天，我们的身体会产生一个很温暖的贴近皮肤的边界层，这个边界层把冷空气隔绝在外。但是，当开始刮风的时候，会把这个边界层吹走，我的皮肤就会暴露在冷空气中。
因为，风能够加速身体的散热，所以这是很危险的。在加拿大，每年有超过80人死于寒冷。
F.Y.I.