如果你在皮肤上发现硬的靑的冷的斑点，那你可能生了冻疮。
If you notice a patch of hard, pale, cold skin, you may have frostbite.
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.
他的脚底生了冻疮很疼痛。
你的皮肤会30秒就冻上，很快就会得冻疮。
Your skin can freeze in 30 seconds. You will quickly develop frost bite.
你的皮肤会30秒就冻上，很快就会得冻疮。
Your skin can freeze in 30 seconds. You will quickly develop frost bite.
应用推荐