1. Insist the athletics toughens, ameliorable all over the body blood circulation, raise an anti - cold capacity and the resistance of air frame, this is to preclude a frostbite of had better device.
坚持体育锻炼，可改善周身血液循环，提高抗寒能力及机体的抵抗力，这是预防冻疮的最好方法。
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2. Insist the athletics toughens, ameliorable all over the body blood circulation, raise an anti - cold capacity and the resistance of air frame, this is to preclude a frostbite of had better device.
