The blood vessels in our hands and feet tighten up when it s chilly which makes our fingers and toes cold and white.

天气冷时，人们手部和脚部的血管会收缩，使手指和脚趾冰冷、发白。

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The blood vessels in our hands and feet tighten up when it s chilly which makes our fingers and toes cold and white.

天气冷时，人们手部和脚部的血管会收缩，使手指和脚趾冰冷、发白。

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