| People with minor cases of frostbite that affect only the skin may not suffer any permanent damage. 轻度冻伤者仅仅皮肤受影响，不会造成永久性的损伤。 But if deeper tissue is affected, a person is likely to feel pain every time the area gets cold. 但是如果深层组织受损了，以后每次天气变冷时，患者都很有可能感觉到疼痛。 If blood vessels are damaged, people can suffer an infection, gangrene. 如果血管受损了，还有可能造成感染，坏疽。 Sometimes, doctors have to remove frostbitten areas like fingers and toes. 有时，医生们不得不切除冻伤的部位，例如手指和脚趾。 Hypothermia happens when the body cannot produce as much heat as it loses. 体温过低发生在当身体产热小于散热的情况下。 |
