门球是一项户外运动。参加门球活动可以获得阳光和新鲜空气,使身体更健康。但夏日阳光中过强的紫外线对皮肤和眼睛会有一定的伤害。紫外线的伤害是光化学作用,具有积累效应,因而老年人更容易被晒伤:皮肤红、痒、起水疱,并加 Couch is an outdoor sport. Get involved in the goalkeeper to get the sun and fresh air, make your body healthier. However, excessive sunlight in summer sunshine can cause some damage to the skin and eyes. UV damage is the role of photochemistry, with a cumulative effect, so older people are more likely to be sunburn: skin red, itchy, blisters, and plus