防风固沙的英文

树的作用用英语说出来是：the use of the trees

树的作用：Function of tree

1. The forest can provide us the lumber ,adjust the climate, conserve soil and water, break wind and fix sand, improve the soil , proof smoke and dust, thedisinfect and sterilize, reduce the noise, beautify the environment, and improve the ecological equilibrium.2. The 112 litres and 145 litres refrigerator producted by our factory has following chartaartistics: beautiful shape, reliable quality , consumes few electricity and their use are safe and convenient.3. I chose chemistry specialty without hesitation because of my childhood dream. Sichuan University enrolled me at last, which makes me well satisfied. Sichuan University ,which has nearly 100-year glorious history, is a famous and key universities of China.4. I deeply believed that, in the modern society, the deficiency of adults and the children is not the abilities to grasp knowledge and technical , but some creation enthusiasm, as well as a rich, noble, serene mind to resist anxiety. 5. It is well known that the nature of wolf is cruel ,which has formed a unchangeable idea in the people’s heart. But a matter that I experienced completely changed my mind of the wolf .6. Without the green plants unceasingly producing the oxygen and absorbing the harmful gas, our human beings are unable to survive.7. When he spoke,his manner is firm, but had a unhappy face and dull eyes.

The role of trees is to regulate the climate to maintain ecological balance, prevent wind and fix sand, absorb all kinds of dust, maintain water and soil, and reduce noise pollution. The secretions of trees can kill bacteria and have strong water absorption to delay runoff, weakened the function of flood peaks.树木的作用有调节气候保持生态平衡，防风固沙吸收各种粉尘、保持水土，减少噪音污染，树木的分泌物能杀死细菌，具有很强的吸水 延缓径流、削弱洪峰的功能。

1.森林给人们提供木材，还能调节气候，保持水土，防风固沙，改善土质，防烟防尘，消毒杀菌，减少噪音，美化环境，改善生态平衡 2.我厂生产的112升和145升冰箱造型美观，质量可靠，耗电少，使用安全方便 3.为了儿时的梦想，我毫不犹豫的选择了化学专业，四川大学录取了我，这令我心满意足。四川大学是中国的著名重点高校，有着近百年的悠久历史 4.我深信，在现代社会中，大人和小孩缺乏的并不是掌握各种知识、技术的能力，而是一种创造的热情，以及还有一个抗拒焦躁，丰富，高贵，安详的心灵 5.众所周知，狼的本性是凶残的。在人们心中，似乎形成了一个不可改变的观念。而我经历的一件事，却是我彻底改变了对狼的看法 6.如果没有绿色植物不断制造氧气和吸收有害的气体，人类就无法生存 7.他讲话时态度坚定，但面代愁容，眼神黯淡 1. Forests to provide timber, but also the regulation of climate, soil and water, shielding sand fixation, improving soil, smoke and dust, disinfection sterilization to reduce noise, beautify the environment and improve the ecological balance 2. Our plant production 112 liters and 145 liters refrigerator modeling beautiful, reliable, low power consumption, the use of safe and convenient 3. To childhood dream, I have no hesitation in choosing the chemical professional, Sichuan University admitted me, it makes me satisfied. Sichuan University is China's well-known major colleges and universities, have a long history of the past century 4 and I am confident that, in modern society, adults and children do not grasp the lack of knowledge, technology capacity, but a creation of enthusiasm, and there is a resistance to agitation, rich and noble, quiet soul 5. Known, the wolf's nature is cruel. In our minds, it seems that formed an immutable concept. And I experienced in one thing, but it is one I completely changed the view of the wolf 6. If there is no green plants constantly create oxygen and absorb harmful gases, humanity could not survive 7. His speech at a firm attitude, but of the anxious look, look bleak

根据提示写一篇 80 － 100 字左右的短文，说明树木对于人类的重要性。提示： 1. 树木可以美化环境 (beautify the environment) ，有助于净化空气，有益于身心健康。 2 ．木材有许多用途，不但可用于建筑，还可用于制造许多其他的东西。例如，我们家中的许多东西都是木制的。 3 ．我们应广植树和保护树木，严禁乱砍滥伐，以保持生态平衡 (the balance of nature) 。 参考例文： Trees can beautify the environment and help to make the dirty air clean. It also will be good for our health. It can not only be used for building houses and making paper, but also can be used to make many other things. For example, many things in our houses are made of wood. So we must plant more trees and mustn't cut down trees. We must try to keep the balance of nature.写作素材：Absorb carbon dioxide and release oxygen; Absorb a toxic gas and check atmosphere pollution; Drive a bacterium and sterilize; Hinder dust; Reduce noise; Absorb radioactive matters; Produce a gentle breeze dispeling atmosphere pollution; The source of water prepares ability to control self conserving water and soil; Saposhnikovia divaricata stabilization of sands; Regulate climate; Beautify the environment; Provide wood; The carbon- oxygen maintaining biosphere balances building material; And so on 吸收二氧化碳并释放氧气； 吸收有毒气体和检测大气污染物； 驱菌和杀菌； 阻滞粉尘；消减噪声； 吸收放射性物质； 产生微风驱散大气污染物； 涵养水源和保持水土； 防风固沙； 调节气候； 美化环境； 提供木材； 维持生物圈碳－氧平衡 建筑材料； 等等来自

中国每年治沙，沙漠面积有没有缩小的回答如下：

1、答案：沙漠面积主要气候因素的影响，长的历史跨度来看，沙漠面积基本保持不变，随着城镇化，人们迁移，破坏已经减少，治沙工程也很多，所以现在沙漠面积稳定，基本不会有太大变化。

2、相关内容：刚刚过去的沙尘暴再次袭击了中国北方大部分地区，连沿海城市青岛、南京都未能幸免，可见防沙治沙的紧迫性和重要性。2002年1月1日《中华人民共和国防沙治沙法》开始施行，相信这部法律实行，使中国防沙治沙工作走上了法制化的轨道，对维护我国的生态安全、促进经济和社会的可持续发展，必将起到重要的作用，我国的治沙效果还是很显著的。

3、定义：在干旱、半干旱和亚湿润地区，预防沙漠化和恢复植被、提高地力、治理沙漠的综合治理措施。

4、英文表示：prevention and control of desertification

一直在增大，每年1万平方公里多一点，之前还不止这个数，到2017年才达到零增长。这种问题本来就不是一朝一夕的事，三北防护林还设计了70年的工期呢。慢慢来嘛，边乘凉边种树。