这就是为什么我们的手和脚在天冷时会变白，而天暖时就变红润。
Humans can do this too, which is why our hands and feet become white when we are cold and pink when warm.
你能感到你的脸在变红润，你的心跳加剧，你的血液在沸腾，你身体的每个部位都在叫嚣。
You can feel your face is getting red, your heart is beating fast, and your blood is rushing all over your body, to every single corner of your being!
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