这本书借鉴了缪尔自己的作品，向读者讲述了这位杰出人物的生平故事，而这位杰出人物为加强美国人的环境意识做出了巨大贡献。
It draws Muir's own writings to bring readers a life story of this remarkable man who did so much to raise American's awareness of environmental issues.
这只熊猫从美国回来后就已经学会了适用新的环境。
The panda has learnt to get used to the new environment since he returned from America.
自19世纪初以来，美国一直面临着环境问题的困扰，特别是空气污染。
Since the beginning of the 19th century, America has had trouble with environmental problems, air pollution in particular.
美国大部分地区以保护环境的名义禁止石油勘探和生产活动。
Vast areas of the United States are off-limits to oil exploration and production in the name of environmental protection.
但特别是当我们回顾美国动荡的过去时，今天的社会指数很难表明一个黑暗和恶化的社会环境。
But particularly when viewed against America's turbulent past, today's social indices hardly suggest a dark and deteriorating social environment.
美国科学家贾里德·戴蒙德认为，拉帕努伊人，即波利尼西亚定居者的后代，破坏了他们自己的环境。
US scientist Jared Diamond believes that the Rapanui people—descendants of Polynesian settlers—wrecked their own environment.
美国国家环境保护部发言人劳伦斯·哈伊纳表示，官员们希望这头熊能安然度过即将到来的冬天。
Lawrence Hajna, spokesman for the state Department of Environmental Protection, said officials expect the bear to make it through next winter.
美国国家环境总署和世界银行开始拨款并着手调查干旱地区的地下水资源，以开发合适的开采技术。
The United Nations Environment Programme and the World Bank have funded attempts to survey the groundwater resources of arid lands and to develop appropriate extraction techniques.
在美国，人们组织了很多集会，以抗议环境恶化。
Rallies all over the United States were organized to protest environmental degradation.
直到最近，许多人类学家还认为现在美国西南部的环境塑造了该地区土著民族的社会历史和文化。
Until recently, many anthropologists assumed that the environment of what is now the southwestern United States shaped the social history and culture of the region's indigenous peoples.
美国联邦能源监管委员会得出结论说，一条自由流动的河流所带来的环境和经济效益超过了大坝产生的电力，因此下令拆除大坝。
The Federal Energy Regulatory Commission ordered the dam removed after concluding that the environmental and economic benefits of a free-flowing river outweighed the electricity generated by the dam.
在这个框架下，肯尼迪已经能够描绘出非洲裔美国人的思想和从外部环境的联系中解放出来的灵魂。
Within this framework, Kennedy has been able to portray African American minds and souls liberated from their connections to the external environment.
为了减少进口，美国人在多大程度上真的愿意忍受国内能源生产对环境的影响？
To what extent are Americans really willing to endure the environmental impacts of domestic energy production in order to cut back imports?
在《人类环境杂志》上发表的一项研究称，科学家们发现，自引进无铅汽油以来，美国东北部土壤中的铅含量已经显著下降。
In a study published in the journal Ambio, scientists found that lead levels in soil in the North-eastern United States had decreased markedly since the introduction of unleaded gasoline.
事实上，谷歌是美国大公司中工作环境最好的。
In fact, Google has the best working environment among the big companies in the United States.
我是一个在白人环境里长大的美国原住民，我眼里的事物从来都不是黑白色的，而是中间有着许多灰色色调。
As a Native American raised in a white environment, I have never seen things in black and white but always in many colors and shades of gray.
英国将全国总开支的7%用于环境事业，而美国和韩国的这部分比例分别为12%和83%。
Britain has allocated 7% of total spending to environmental causes, compared with 12% in America and 83% in South Korea.
“我们不能仅以工程手段解决生物学问题，”美国环境保护署的发言人卡梅隆·戴维斯告诉国会小组。
"We cannot fight biology with engineering alone," Cameron Davis, the Environmental Protection Agency's spokesman on the issue, told the congressional panel.
美国环境保护局（EPA）规定，在美国销售的汽油必须含有洗涤剂，保证污染物在排出尾气管之前就被分解掉。
The US Environmental Protection Agency (EPA) requires that automotive fuels sold in the United States contain detergents to help scrub away pollution before it goes out the vehicle’s tailpipe.
美国环境保护局（EPA）规定，在美国销售的汽油必须含有洗涤剂，保证污染物在排出尾气管之前就被分解掉。
The US Environmental Protection Agency (EPA) requires that automotive fuels sold in the United States contain detergents to help scrub away pollution before it goes out the vehicle's tailpipe.
在美国，环境中的汞含量不断增加，自1970年以来每年的增长率为1.5%。
In the US, mercury levels in the environment have been increasing at a rate of 1.5% each year since 1970.
中国高校很多优秀学生认为全球竞争环境下美国研究生院是最好的选择。
Many top students from Chinese universities regard US graduate schools as the best choice in a globally competitive world.
虽然经济环境依旧艰难，但美国进口豪车市场的销量却有增无减。
Amid this difficult economic environment, sales of import luxury cars in the U.S. have actually improved.
西门：看见汤姆．汉克斯在美国的环境里说德语，就是不大自然。
Simon: It just seemed a bit unnatural to see Tom Hanks in an American scene with German coming out of his mouth.
西门：看见汤姆．汉克斯在美国的环境里说德语，就是不大自然。
Simon: It just seemed a bit unnatural to see Tom Hanks in an American scene with German coming out of his mouth.
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