李婷重新拿起手帕，缘于一项关于环保的调查。
The reason why Li Ting began to use handkerchief again is an environmental protection research.
例如，日本馆就让我懂得了许多关于环保的知识。
For example, Japanese mansion helps me understand much knowledge about environmental protection.
本校将举办关于环保的英语演讲比赛，以迎接世界环境日。
Our school will hold an English speech competition about environment protection so as to welcome The World Environment Day.
但对于某些环保主义者来说，关于臭氧层的这些问题总的来说处理得很成功。
But for some environmentalists, the ozone story is on balance a tale of success.
我的主要工作是帮助宣传一些关于环保方面的知识。
Well, my main job is to help spread the message about protecting the environment.
《环保日报》罗列出了好多点子关于费尔普斯如何“为他的国家服务”。
GreenDaily has a couple of great ideas for Phelps to "serve his country".
关于环保关念的对与错。
Try to think what is right and what is wrong about environmental issues.
关于环保关念的对与错。
Try to think what is right and what is wrong about environmental issues.
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