经典英文 晒太阳的作用
Vitamin D was mainly rely on two channels， one is to obtain from food， and the other one is on the adoption 2 of solar ultraviolet radiation in human skin synthesis of vitamin D3， it can even in the small intestine 3 to promote calcium 4 absorption in the colon 5. If the body lacks vitamin D， calcium absorption rate was only 10%； if the body contains enough vitamin D， calcium absorption rate will increase to 60% ~ 75%. A person who had not seen sunlight all day long the incidence of osteoporosis will be far higher than the normal population.
2， treatment of disease"Sun" and outdoor activities， sun exposure can promote the body's blood circulation， boosting the body's metabolism 6 and immune function， especially in the fight against rickets 7 in children or adults for osteoporosis， has a special effect.
Third， prevention of diseaseThe sun's ultraviolet rays can kill in the air staphylococcus， streptococcus， tuberculosis 8， pneumococcal disease， and other pathogenic bacteria， and can kill a large number of viruses on human health have some protective effect. The infrared 9 light is a relatively 10 high temperature of the light， make blood flow， body tissues and better access to nutrients and discharge of waste， the temperature regulation center also has a good thermal 11 effect is conducive 12 to human health.
The sun's ultraviolet rays can also stimulate 13 the bone marrow 14 produce red blood cells， improve blood function， in order to prevent anemia 15. Besides， the sun can prevent multiple sclerosis and rheumatoid arthritis 16， and reduce the incidence of atherosclerosis.
Fourth， mediation 17 of psychologicalLess sun exposure will lead to "depression， energy， a moral one，" "eating habits and physical immunity 18 are affected 19." Sunlight in the mediation and psychological aspects of human life rhythm has a certain role. The sun can promote the body's blood circulation， strengthen the capacity of human metabolism， regulating central nervous system， making the body feel relax and comfortable.
Fifth， to enhance hormoneSunlight can improve sex hormone 20 levels， so that sexual life more freely. In fact， the Yang Guan right hormone levels is significant， it can even be used to treat menopausal syndrome 21.
一，补充养分维生素D获得主要靠两条途径，一条是从食物中获取，另一条是就通过太阳光中的紫外线照射人体皮肤后合成维生素D3，它能促进钙在小肠甚至在结肠中的吸收。如果人体缺乏维生素D，钙的吸收率只有10％；如果体内含有足够的维生素D，钙的吸收率会增加到60％～75％。一个终日不见阳光的人骨质疏松的发生率将远远高于正常人群。
二、治疗疾病“晒太阳”及室外活动晒太阳可促进人体的血液循环，增强人体新陈代谢和免疫功能，特别是在防治儿童佝偻病或成人骨质疏松症方面，有着特殊的疗效。
三、预防疾病阳光中的紫外线能杀灭空气中的葡萄球菌、链球菌、结核菌、肺炎球菌等多种致病菌，并能杀灭大量病毒，对人体健康具有一定的保护作用。阳光中的红外线是一种温度比较高的光线，能使血流通畅，身体组织更好地得到养分和排出废物，对体温调节中枢也有良好的温热作用，有利于人体健康。
阳光中的紫外线还可以刺激骨髓制造红血球，提高造血功能，从而防止贫血。除此之外，阳光还能预防多发性硬化和风湿性关节炎，并减少动脉硬化的发病率。
四、调解心理晒太阳少了，会使“情绪低落，精力不支”，“饮食习惯和身体免疫力都会受到影响”。日光在调解人体生命节律以及心理方面也有一定的作用。晒太阳能够促进人体的血液循环、增强人体新陈代谢的能力、调节中枢神经，从而使人体感到舒展而舒适。
五、提升激素阳光能提升性激素水平，让性生活更加如鱼得水。事实上，阳关对激素水平的影响是很显著的，它甚至被用来治疗更年期综合症。
- a lack of essential nutrients 基本营养的缺乏
- Nutrients are absorbed into the bloodstream. 营养素被吸收进血液。 来自《简明英汉词典》
- An adoption agency had sent the boys to two different families.一个收养机构把他们送给两个不同的家庭。
- The adoption of this policy would relieve them of a tremendous burden.采取这一政策会给他们解除一个巨大的负担。
- This vitamin is absorbed through the walls of the small intestine.这种维生素通过小肠壁被吸收。
- The service productivity is the function,including external efficiency,intestine efficiency and capacity efficiency.服务业的生产率是一个包含有外部效率、内部效率和能力效率的函数。
- We need calcium to make bones.我们需要钙来壮骨。
- Calcium is found most abundantly in milk.奶含钙最丰富。
- Here,too,the colon must be followed by a dash.这里也是一样，应当在冒号后加破折号。
- The colon is the locus of a large concentration of bacteria.结肠是大浓度的细菌所在地。
- After years of dieting,Carol's metabolism was completely out of whack.经过数年的节食，卡罗尔的新陈代谢完全紊乱了。
- All living matter undergoes a process of metabolism.生物都有新陈代谢。
- A diet deficient in vitamin D may cause the disease rickets.缺少维生素D的饮食可能导致软骨病。
- It also appears to do more than just protect against rickets.除了防止软骨病，它还有更多的功能。
- People used to go to special health spring to recover from tuberculosis.人们常去温泉疗养胜地治疗肺结核。
- Tuberculosis is a curable disease.肺结核是一种可治愈的病。
- Infrared is widely used in industry and medical science.红外线广泛应用于工业和医学科学。
- Infrared radiation has wavelengths longer than those of visible light.红外辐射的波长比可见光的波长长。
- The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。
- The operation was relatively painless.手术相对来说不痛。
- They will build another thermal power station.他们要另外建一座热能发电站。
- Volcanic activity has created thermal springs and boiling mud pools.火山活动产生了温泉和沸腾的泥浆池。
- This is a more conducive atmosphere for studying.这样的氛围更有利于学习。
- Exercise is conducive to good health.体育锻炼有助于增强体质。
- Your encouragement will stimulate me to further efforts.你的鼓励会激发我进一步努力。
- Success will stimulate the people for fresh efforts.成功能鼓舞人们去作新的努力。
- It was so cold that he felt frozen to the marrow. 天气太冷了，他感到寒冷刺骨。
- He was tired to the marrow of his bones.他真是累得筋疲力尽了。
- The doctors analyzed the blood sample for anemia. 医生们分析了贫血的血样。
- I was put on iron tablets for my anemia.我曾因贫血吃补铁药片。
- Rheumatoid arthritis has also been linked with the virus.风湿性关节炎也与这种病毒有关。
- He spent three months in the hospital with acute rheumatic arthritis.他患急性风湿性关节炎，在医院住了三个月。
- The dispute was settled by mediation of the third country. 这场争端通过第三国的斡旋而得以解决。
- The dispute was settled by mediation. 经调解使争端得以解决。
- The law gives public schools immunity from taxation.法律免除公立学校的纳税义务。
- He claims diplomatic immunity to avoid being arrested.他要求外交豁免以便避免被捕。
- She showed an affected interest in our subject.她假装对我们的课题感到兴趣。
- His manners are affected.他的态度不自然。
- Hormone implants are used as growth boosters.激素植入物被用作生长辅助剂。
- This hormone interacts closely with other hormones in the body.这种荷尔蒙与体內其他荷尔蒙紧密地相互作用。