春暖花开之时是人们最易患花粉过敏症的季节。在自然界,花粉是一种主要的致敏原,因此春季出游时,要防备花粉过敏哦!Spring has finally decided to come out of hiding and make her long-awaited grand en trance.Not only does spring mean the appear ance of vibrant cherry blossoms,flowing skirts,and picnics at the park,for some,spring also means itchy burning eyes and endless sneezing,on top of many otherhay fever allergy symptoms(干草热过敏症). Spring is the season when people are most susceptible to pollen allergies. Spring has finally decided to come out of hiding and make her long-awaited grand en trance. Not only does spring mean the appear, but spring pollen is a major allergen in spring ance of vibrant cherry blossoms, flowing skirts, and picnics at the park, for some, spring also meanschy burning eyes and endless sneezing, on top of many otherhay fever allergy symptoms.