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自然环境是环绕人们周围的各种自然因素的总和,如大气、水、植物、动物、土壤、岩石矿物、太阳辐射等.这些是人类赖以生存的物质基础.通常把这些因素划分为大气圈、水圈、生物圈、土壤圈、岩石圈等五个自然圈.人类是自

Pollution has been a serious problem for a certain time around the world. There are many causes for it. Transportation is the main factor of pollution. When the waste gas from cars is released, the air is polluted. People breathing in the polluted air

同学你好,很高兴为您解答! natural environment protection and development,您说的这个英文词语在CMA的考试中比较常见,学会这个词语对考取英文CMA资格证书特别有帮助.这个词语的汉语意思是:生态保护与建设. 希望高顿网校的回答能帮助您解决问题,更多CMA的相关问题欢迎提交给高顿企业知道.高顿祝您生活愉快!

the earth is our home and we have the duty to take care of it for ourselves and for our later generations, wherever we go today. pollution isenvironmental problems are becoming more and more serious all over the world. i hope the problem will be

由细胞外液构成的液体环境叫做内环境 血浆、组织液和淋巴都是细胞外液,共同构成机体内细胞生活的直接环境.血细胞所生活的液体环境是血浆,毛细血管壁的上皮细胞的内环境是指血浆和组织液.因细胞外液深居于身体内部,所以名为内环境,用来区别于机体赖以生存的外环境.

自然生态环境(natural environment)是指存在于人来类社会周围的对人类的生存和发展产生直接自或间接影响的各种天然形成的物质和能量的总体.典型的自然生态系统知有森道林、草原、荒漠以及海洋生态系统,还有介于水陆之间的湿地生态系统.

Nature of some resources can be renewable, long-term contribute to the person, but because people don't add abstemious mining abuse, thus speeding up the exhaustion of the mineral resources on earth.

Resources and environment - human life protection Since the mankind is born, all food and clothing to line and production, life, all depends on what we live in this planet, the earth's atmosphere, oceans, rivers, forests, soil, grassland, wild animals

circumstance 表示”处境”,”情势” eg. Under no circumstance will I believe you. 无论什么情形之下,我都不会相信你. environment 表示"环境".既指"自然环境" (natural environment), 又指"社会环境" (social environment) eg. 保护环境: protect the environment 注意: 如果想表示由于某种特定因素造成的"场合"或"情形",应使用 circumstance !

两篇作文希望能帮助到你.Today the quality of our natural environment has become an important issue. The world population is rising so quickly that the world has become too crowded. We are using up our natural resources and at the same time

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