这种怪异的感受称为诡冷觉，其实是皮肤内的温度感受器在作祟。
This odd sensation is called paradoxical cold and is caused by the temperature receptors in the skin.
如果皮肤温度下降了，冷感受器就发出警告，如果皮肤温度上升了，暖感受器则发出警告。
If skin temperature drops, the cold receptors fire and if it increases, the warmth receptors fire.
Grace相信，如果我们有一天能复制出象响尾蛇科那种极端敏感的红外线感受器，也许能检测出人体各种部位的微小温度变化。
Grace believes that if we could somehow replicate the extremely sensitive infrared sensors of the pit viper, it might be possible to detect very small temperature changes in parts of the human body.
在常规皮肤温度下，大多数温敏感受器处于静息状态。
Most warm receptors are quiescent at typical skin temperatures.
在常规皮肤温度下，大多数温敏感受器处于静息状态。
Most warm receptors are quiescent at typical skin temperatures.
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