春天,阳光明媚,鸟语花香,正是外出春游的好时机。春天,郊外的丛林带生长繁茂的绿色植物,不仅空气清新,而且在阳光照射下,会释放大量氧气,在林边溪畔还有充足的阴离子,置身这样的环境中,吸人大量的氧气和阴离子,有助于消除大脑疲劳,使人精神振奋。同时置身于绿色植物中有助于消除视觉疲劳;绿色植物还能分泌特殊的气味,刺激人的嗅觉器官,产生愉快的感觉;丛林带异常寂静,有助于消除听觉疲劳。因此,春天经常远足郊外,听鸟语;闻花香,看绿色,呼吸新鲜空气,这对于生活在空间拥挤的城里人,不仅是极大的享受,而且能使感觉器官和肺功能得到改善,对于心脏及血管病、高血压、神经衰弱和呼吸道疾病有良好的 Spring, sunny, beautiful flowers, it is a good time to go out for a spring break. Spring, the jungle on the outskirts of the lush growth of green plants, not only fresh air, but also in the sun, will release a lot of oxygen, in Linbianxi there are plenty of anions, exposure to such an environment, inhaling a lot of oxygen and Anion, helps to eliminate brain fatigue, make people excited. At the same time exposure to green plants help to eliminate visual fatigue; green plants can also secrete a special smell, stimulate human olfactory organs, resulting in a pleasant feeling; jungle abnormal silence, help to eliminate auditory fatigue. Therefore, the spring often go hiking in the suburbs, listening to birds, smelling flowers, looking green, breathing fresh air, which for living in space crowded city people, not only great enjoyment, but also to make sense organ and lung function improved, For heart and vascular disease, hypertension, neurasthenia and respiratory disease are good