冻疮常见于冬季，由于气候寒冷引起的局部皮肤反复红斑、肿胀性损害，严重者可出现水疱、溃疡，病程缓慢，气候转暖后自愈，易复发。
而处于远低于冰点的相当低温度中，冻疮更常见。
And frostbite is more common at pretty low temperatures, well below freezing.
据国家气象局说，多长时间会生冻疮要视环境而定。
How long it takes you to develop frostbite will depend on the conditions.
经医生诊断，两人都是身体脱水，手和脚上都长了冻疮。
They were diagnosed with dehydration as well as frostbitten hands and feet.
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