You get a rash, or a redness of the skin.

你会出皮疹，或者皮肤变红

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Swelling, warmth and redness of the skin over the joint may also occur.

肿胀，温暖和发红的皮肤超过联合，也可能会发生。

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What is the redness of the skin for the Crusaders into their efforts to protest things?

是什么让血色十字军变成了他们努力抗争的东西？

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So, you get a rash, or a redness of the skin.

所以,你会出皮疹,或者皮肤变红

耶鲁公开课 - 生物医学工程探索课程节选

Frostnip which is the first stage of frostbite, can cause skin redness and irritation, but not permanent damage.

FORBES: Important Cold Weather Safety and Tips