环境问题（environmental problems）是指由于人类活动或自然原因使环境条件发生不利于人类的变化，以致影响人类的生产和生活，给人类带来灾害的现象。
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... ask，ask，ask勇于请求 environmental problems环境题目 motorcycles and city traffic摩托车与城市交通 ...
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... environmental hygiene环境卫生 environmental problems环境污染问题 environmental protection department环境保护署 ...
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...关键词：城市环境；城市污染；环保问题；对策研究 [gap=261]Key words: city environment; pollution; environmental problems; countermeasure research ...
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urban environmental problems 城市环境问题
no environmental problems 没有环境问题 ; 任何环境问题
addressing environmental problems 处理环境问题
Mining Geo-environmental Problems 矿山地质环境问题
Caused many environmental problems 导致了许多环境问题
Efforts against environmental problems 对环境问题的努力
environmental problems and remedial technology 医学生物和自然资源 ; 概念和进程的科学 ; 之间的关系大气变化 ; 生活的事情和自然资源之间的关系
Or very serious environmental problems 环境问题还是十分严重
Many serious environmental problems exist at present.
我国是一个发展中国家，环境工作开展的又比较晚，目前存在着相当严重的环境问题。
参考来源 - 环境问题的经济分析With the development of transport package, the environmental problems brought out become more and more serious.
随着运输包装的发展，造成的环境问题越来越严重。
参考来源 - 基于绿色物流的绿色包装研究 （研究生论文）·2,447,543篇论文数据，部分数据来源于NoteExpress
It never ceases to amaze me how the business world continues to trivialize the world's environmental problems.
工商界继续轻视世界的环境问题，这一直令我感到惊讶。
Today, we still have some environmental problems.
今天，我们仍有一些环境问题。
People are asked to change attitudes towards environmental problems.
要求人们改变对环境问题的态度。
Lake Champlain also has the same kinds of environmental problems, including pollution and nonnative sea life, as the Great Lakes.
VOA: special.2009.01.05
Miz Lisagore says they began to notice how rare it was to find travel writing that recognized environmental problems and solutions.
VOA: special.2009.04.22
The aim was to get people young and old across the United States to act locally in solving environmental problems in their areas.
VOA: special.2010.04.21
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