Next, warm winter can make air dry, bring about guttural ache, mouth to do Sao of glossal dry, skin to itch wait for a symptom, and the epidemic prevention function that can reduce respiratory system.

• 其次，暖冬会使空气干燥，导致咽喉疼痛、口干舌燥、皮肤瘙痒等症状，而且会降低呼吸系统的防疫功能。